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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteThe Bremont Terra Nova Jumping Hour is the best overall jump-hour watch for most buyers. Its current 38mm and 40.5mm 904L-steel versions, 56-hour BC634AH movement, and separate hour, minute, and seconds displays make the unusual complication relatively practical for daily wear.
The MAEN Grand Tonneau Jump Hour is the value-oriented alternative, although the listed variants are marked retired. Christopher Ward offers the cleanest dress-watch layout, RESERVOIR delivers the most dramatic retrograde display, and Bremont’s limited 1776 edition adds collector appeal. Stock and prices are especially important here: verify the exact reference and current availability before paying.
The short answer
The Bremont Terra Nova Jumping Hour is the best all-round jump-hour watch in this group. It is currently represented in Bremont’s collection, comes in wearable 38mm and 40.5mm 904L-steel cases, and combines a mechanically jumping hour with separate minute and seconds displays. The 38mm model is the most convincing everyday choice: it is 9.1mm thick, measures 44mm from lug to lug, and offers a 56-hour power reserve.
The MAEN Grand Tonneau Jump Hour is the most compelling value-oriented enthusiast option on paper, but its official collaboration page marks the listed variants as retired. The Christopher Ward C1 Grand Malvern Jumping Hour is the cleanest classic dress-watch interpretation, while RESERVOIR is the choice for collectors who want retrograde minutes, a jumping hour, and a power-reserve display in the same watch.
#1 Best Overall
- Stainless steel case 40mm diameter x 14.1mm thick; Exhibition case back; Black dial; Luminous hands.Band Length: 205mm
- NH35A Japanese Automatic movement, 24 jewel; Assembled in Malaysia; Watch weight 155 grams
- Includes gift box, instructions and 3 year limited manufacturer warranty; Invicta Customer Service can be reached at 1-800-327-7682 for questions (re: Additional links, band replacement, band adjustment, warranty questions, etc.)
For marketplace research, the useful category term is jump hour watch. That does not mean every digital watch qualifies: in horological usage, the defining feature is a discrete, physically jumping hour indication, usually produced by a mechanical or mechanically inspired display system.
Best jump-hour watches compared
| Watch | Best for | Important specifications | Main caveat |
|---|---|---|---|
| Bremont Terra Nova Jumping Hour | Best overall and best current everyday option | 38mm or 40.5mm 904L steel; BC634AH automatic calibre; 4Hz; 56-hour power reserve; separate hour, minute, and seconds displays | Window-based time reading will not suit everyone; price and stock are volatile |
| MAEN Grand Tonneau Jump Hour | Value-oriented enthusiast or used-market buyer | 34mm case; 45mm lug-to-lug; 9.7mm thick; modified automatic ST1721; sapphire crystal; 5 ATM; approximately 38-hour reserve | MAEN lists the MNL.01, MNL.02, and MNL.03 variants as retired |
| Christopher Ward C1 Grand Malvern Jumping Hour | Classic dress-watch styling | Conventional minute hand and jumping-hour aperture at 12 o’clock; Calibre JJ01, based on a modified Sellita SW200-1 | The cited material does not establish current retail stock or price |
| RESERVOIR Hydrosphere Air Gauge | Most technical and unconventional display | Retrograde minutes, jumping hours, and power reserve; 45mm dive-watch case; 250m water resistance; helium-release valve | Large, visually complex, and less discreet than the other recommendations |
| Bremont Terra Nova Jumping Hour 1776 | Limited-edition collecting | Limited to 250 pieces; 40.5mm 904L-steel case; BC634 jumping-hour calibre; U.S. prices listed at $4,300 on leather and $4,600 on bracelet | Limited-edition pricing, stock, and availability need to be rechecked |
| Marketplace search: jump hour watch | Finding broader inventory | Search the exact category, then verify the movement, seller, authenticity, warranty, and return terms | No specific Amazon listing is endorsed here because current stock and seller authenticity were not verified |
1. Bremont Terra Nova Jumping Hour: best overall
Bremont’s Terra Nova Jumping Hour is the strongest recommendation for someone who wants a modern mechanical jump-hour watch that can plausibly serve as an everyday watch. Its field-watch design gives the complication a practical setting rather than making it look purely like a fragile dress-watch experiment.
The 38mm version has a 904L stainless-steel case measuring 38mm in diameter, 44mm in length, and 9.1mm in thickness. That combination should appeal to buyers who care about a compact footprint, especially because lug-to-lug length often determines how a watch actually wears more than diameter alone. Bremont also lists a 40.5mm version for buyers who prefer a larger field-watch presence. Both standard sizes use the BC634AH calibre.
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The display divides the indications into dedicated areas: the jumping hour appears at 12 o’clock, the minute indication is at 6 o’clock, and running seconds have their own display. The arrangement is more legible than a fully experimental display once the wearer understands the layout. Bremont states that the hour disc changes in under a tenth of a second, so the hour does not slowly creep into position like the hour hand on a conventional watch.
The BC634AH runs at 4Hz and provides a 56-hour power reserve. That reserve is useful in practical terms: if the watch is removed on Friday evening, it has a reasonable chance of still running when picked up again over the weekend. It remains a mechanical watch, however, so the owner should expect the normal considerations of winding, setting, servicing, and positional timekeeping rather than quartz-level convenience.
Choose it if: you want the best balance of current manufacturer support, compact proportions, legibility, and unusual mechanical display.
Think twice if: you strongly prefer reading the time from a conventional hour hand, or if you want a discreet watch that attracts little visual attention.
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2. MAEN Grand Tonneau Jump Hour: best value-oriented option
The MAEN Grand Tonneau Jump Hour is an attractive proposition for an enthusiast who wants a mechanical complication without moving immediately into the most expensive or technically elaborate end of the market. Its 34mm steel case, 45mm lug-to-lug measurement, and 9.7mm thickness make it one of the more compact options documented here.
MAEN specifies a modified automatic ST1721 movement, sapphire crystal, 5 ATM water resistance, an integrated FKM rubber strap, and approximately 38 hours of power reserve. Its listed functions are jumping hours and minutes. The tonneau-shaped case gives it a different wrist presence from the round Bremont and Christopher Ward designs, while the rubber strap pushes it toward casual rather than strictly formal wear.
The availability qualification is essential. MAEN’s dedicated collaboration page identifies the MNL.01, MNL.02, and MNL.03 versions as retired. MAEN’s general U.S. website still identifies the Grand Tonneau Jump Hour in its catalogue, but catalogue presence is not proof that a new watch can currently be ordered. Treat it as a used-market or restock-dependent recommendation unless the brand confirms live inventory.
Rank #2
- Stainless Steel case with Black Resin Band
- Black Dial with date window at 3 O'clock
- Luminous markers and hour hands; sweep second hand
- Anti-reverse bezel
- Water-resistant to 200 M (660 feet)
A secondhand buyer should ask for the exact reference, original purchase documentation, warranty position, service history, and confirmation that the hour display changes correctly. Retired status does not by itself indicate a defect; it simply makes availability, parts support, and future servicing questions more important than they would be for a continuously produced model.
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Think twice if: you need a straightforward new purchase with clearly documented current stock and long-term production continuity.
3. Christopher Ward C1 Grand Malvern Jumping Hour: best classic dress layout
The Christopher Ward C1 Grand Malvern Jumping Hour is the most immediately understandable dress-watch interpretation in the shortlist. It uses a conventional minute hand together with a digital-style hour aperture at 12 o’clock. There is no retrograde minute hand to follow and no busy dive-watch architecture competing with the hour display.
Christopher Ward identifies the movement as Calibre JJ01, a modified Sellita SW200-1 developed with watchmaker Johannes Jahnke. The concept is deliberately straightforward: the minute hand makes its normal journey around the dial, and the hour numeral advances discretely when the hour changes. That makes the C1 a good choice for a buyer who wants the novelty of a jumping hour without learning a highly stylized display.
Its appeal is primarily visual and conceptual in this research. The cited manufacturer material establishes the layout and movement development, but it does not establish current retail stock or a current price. Check Christopher Ward’s live catalogue before treating the C1 as an immediately orderable alternative.
Choose it if: you want a restrained, dressier watch with a normal minute hand and a single jumping-hour aperture.
Think twice if: you are specifically looking for a large, technically dramatic display or a sports-watch case.
4. RESERVOIR Hydrosphere Air Gauge: best unconventional display
RESERVOIR takes the jump-hour concept much further than the simple aperture-and-minute-hand format. Its characteristic display combines a retrograde minute hand, a jumping hour, and a power-reserve indicator. Instead of reading time from a familiar pair of hands, the owner reads several separate indications that reset or advance according to their own visual logic.
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The Hydrosphere Air Gauge places that display in a 45mm dive-watch case. Specialist coverage documents 250-meter water resistance and a helium-release valve, giving the model a genuine tool-watch context even though its time display is anything but conventional. The result is a mechanical object with the presence of a dive watch and the visual behavior of a dashboard instrument.
Rank #3
- [Luxurious Mechanical Watch] High quality hollow mechanical watch appearance retro gorgeous, exquisite carving and design of the golden appearance of the European nobility more highlight your noble identity extraordinary taste, to bring you a pleasant luxury experience
- [Mechanical Movement] This watch has manual self-winding. Please consider that mechanical watches that require manual winding can only keep time for a short time after winding. To prevent running or inaccurate time, it is advised that you verify the time periodically and wind up the chain 15–20 times.
- [Waterproof] Water resistant to 50m (165ft) -suitable for short periods of recreational swimming and showering, but not diving or snorkeling
- [Ideal as a Gift] This beautiful retro-style watch can be worn on any occasion or given as a gift to your father, brother, partner, or boyfriend. At weddings and any holiday gatherings, it can be a really appreciated and elegant gift.
- [Professional After-Sale Service] Please contact us if you need any additional details about our watches. We will be happy to answer and help you anytime.
There is a trade-off. Retrograde minutes are more dramatic but generally take longer to interpret at a glance than a standard minute hand. The 45mm case is also substantially larger than the 34mm MAEN or 38mm Bremont. Buyers should consider not only wrist circumference but also whether they actually want a watch that announces its complication from across the room.
Choose it if: the display itself is the reason you are shopping for a jump-hour watch and you enjoy unusual mechanical indications.
Think twice if: you need a small, conservative office watch or the fastest possible time reading.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware match5. Bremont Terra Nova Jumping Hour 1776: best limited-edition angle
The Terra Nova Jumping Hour 1776 is the collector-focused version of Bremont’s concept. Bremont limits it to 250 pieces and created it around the 250th anniversary of the United States, making the edition particularly relevant to U.S. collectors or anyone interested in historically themed limited releases.
The watch uses a 40.5mm 904L-steel case and the BC634 jumping-hour calibre. Bremont’s U.S. collection lists the leather version at $4,300 and the bracelet version at $4,600. Those are publication-sensitive prices, not permanent market values: availability, retailer allocation, and secondary-market demand can change the figure a buyer actually encounters.
The 1776 is not the better choice simply because it is limited. The standard 38mm Terra Nova is likely the more versatile choice for a buyer prioritizing compact wear and everyday practicality. The 1776 makes more sense when the anniversary theme, limited production number, or larger 40.5mm case is part of the appeal.
Choose it if: you want the Terra Nova jumping-hour format with a documented 250-piece production run and a specific U.S. anniversary connection.
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Other notable jump-hour watches
The following names are important alternatives and references, but the available research does not establish that all of them are equally current, orderable, or readily available. They are best treated as avenues for further research rather than interchangeable recommendations.
- MeisterSinger Salthora Meta X: a sportier jumping-hour watch with the hour in a window at 12 o’clock and a central minute hand. MeisterSinger’s design-awards material records a Red Dot Design Award in 2018.
- Chronoswiss Sirius Flying Regulator Jumping Hour: a regulator-style watch in which the hour subdial is replaced by a digital jumping-hour aperture.
- IWC Tribute to Pallweber Edition “150 Years”: a historically informed mechanical digital display using rotating hour and minute discs. It is one of the clearest examples of the analogue-digital boundary in mechanical watchmaking.
- Gérald Genta and Bulgari Arena models: significant collector references for combining jumping hours with retrograde indications.
- Fears Brunswick 40.5 Jump Hour: a dressier British interpretation with a 40.5mm case and a jumping-hour aperture at 12 o’clock.
- Hautlence Sphere: an especially experimental design in which the hour is represented by a rotating sphere and the minutes are shown retrograde.
These watches broaden the category considerably. They also demonstrate why “jump hour” is not a single visual style: the complication can be subtle and dressy, rugged and field-inspired, retrograde and technical, or almost sculptural.
Rank #4
- Invicta Pro Diver Automatic Champagne Dial Men's Watch 49317
What is a jump-hour watch?
A jump-hour watch displays the hour as a numeral or discrete indication that changes instantaneously, rather than using an hour hand that continuously travels around the dial. The hour may appear through an aperture, on a rotating disc, or through another digital-style mechanical display.
Most jump-hour watches use a conventional minute hand. In that arrangement, the minute hand completes its cycle and drives the hour numeral to change at the top of the hour. Other designs use retrograde minutes, in which the hand travels across part of the dial and then returns to its starting point, while the hour changes separately. A few use rotating discs for both hours and minutes.
This is why an ordinary electronic digital watch is not automatically a jump-hour watch in the horological sense. Both may show numerals, but a mechanical jump-hour watch is defined by the way its physical display advances. For this guide, the focus is on mechanical or mechanically inspired watches whose hour indication changes in a discrete jump.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to choose the right one
1. Start with the display, not the brand
There are three broad formats to compare:
- Minute hand plus hour aperture: the easiest transition for someone used to a conventional watch. Christopher Ward is the clearest example, and the Bremont uses a related window-based logic with additional seconds indication.
- Retrograde minutes plus jumping hour: more theatrical and more distinctive, but less immediately familiar. RESERVOIR is the standout example.
- Fully digital mechanical discs: the most literal analogue-digital hybrid. The IWC Pallweber reference is the notable historical interpretation in this group.
If you have never worn one, look at a clear dial photograph or video and ask yourself whether you can identify the hour, minute, and seconds displays without explanation. Novelty is part of the appeal, but legibility determines whether the watch will actually be worn.
2. Compare lug-to-lug as well as diameter
Diameter alone can be misleading. The documented examples range from the 34mm MAEN to the 38mm Bremont, 40.5mm Bremont and Fears models, and the 45mm RESERVOIR Hydrosphere Air Gauge. The MAEN’s 45mm lug-to-lug measurement and the Bremont 38’s 44mm length are especially useful reminders that a compact diameter can still have meaningful wrist coverage.
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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallFor tonneau, rectangular, or unusually shaped cases, measure the watch from the farthest point of one lug or case end to the other. Also account for thickness, strap integration, and how far the case extends beyond the wrist. The 9.1mm Bremont 38 and 9.7mm MAEN are relatively restrained on paper; the 45mm RESERVOIR is a different proposition altogether.
3. Treat availability as part of the specification
A technically appealing watch is not a practical recommendation if it cannot be sourced with credible warranty and service support.
- Bremont: the current U.S. collection lists the Terra Nova Jumping Hour in 38mm and 40.5mm forms, along with other variants including DLC. This is the strongest current manufacturer-availability case in the research, but live stock should still be checked.
- MAEN: the dedicated page labels the listed Grand Tonneau Jump Hour variants retired. Confirm a restock or approach the used market with appropriate documentation and service questions.
- Christopher Ward: the documented manuals and product information establish the C1 and its movement, but they do not by themselves confirm current retail inventory.
- Limited editions: the Bremont 1776’s 250-piece limit makes stock and condition especially important. A sold-out official page does not automatically make a secondary-market premium reasonable.
4. Understand the servicing implications
A jumping-hour display adds a specialized indication system beyond a conventional three-hand movement. Before buying, ask the brand or authorized watchmaker:
- Who services the complete watch and the jump-hour module?
- Are movement parts and display components still available?
- Does the warranty apply to a secondhand purchase or only the original buyer?
- What documentation should accompany a retired or limited-production model?
- Can the service center support the exact reference, not merely the base movement?
This is particularly important for the retired MAEN variants and for unusual or limited-production watches. The presence of a modified or specialized movement is not evidence of a service problem; it is simply a reason to verify support before committing money.
5. Match water resistance to actual use
Water resistance varies significantly across the examples. MAEN specifies 5 ATM, which is a modest everyday rating rather than a reason to treat the watch as a serious dive instrument. The RESERVOIR Hydrosphere Air Gauge is documented at 250 meters and includes a helium-release valve, placing it in a very different category. Do not infer the water-resistance rating of one model from another model in the same broad category; check the exact reference.
Best Value
- VERSATILE STYLE: From desk to dinner, daily commute to jet-set journey, think of this Fossil watch for men as his best-dressed essential; with an exposed automatic movement, it's a sleek, pulled-together style that never takes itself too seriously
- CASE & MOVEMENT: An automatic watch with a 44mm case, 22mm band width, hardened mineral crystal lens resists scratches, accurate Automatic movement with accurate analog watch display, imported
- DIAL: One of many among Fossil watches for men, this quartz watch features a round silver stainless steel case, with a blue satin and skeleton dial and gold accents
- WRIST WATCH BAND: Brown, genuine leather band with a secure adjustable buckle closure for a customized fit of this wristwatch; interchangeable with all 22mm Fossil watch straps
- WATER RESISTANT MEN'S WATCHES: Up to 50m (165ft); wearable for short periods of recreational swimming and showering, but not diving or snorkeling; 5 ATM
6. Check the power reserve, but do not make it the only criterion
The Bremont BC634AH offers 56 hours, while the MAEN’s modified ST1721 is listed at approximately 38 hours. A longer reserve can make a mechanical watch easier to live with when it is rotated with other watches, but display legibility, case fit, availability, and service support are more important than a reserve number in isolation.
A practical buying checklist
- Confirm that the hour actually jumps. Make sure the listing describes a mechanical or mechanically inspired jumping-hour display rather than simply calling any digital watch “jump hour.”
- Identify every indication. Know where the hour, minute, seconds, and power reserve are shown before buying. A photo that looks striking may be less readable in daily use.
- Measure the case properly. Record diameter, lug-to-lug length, thickness, and strap width. This is especially important for the 45mm RESERVOIR and tonneau-shaped MAEN.
- Verify the exact movement. The key documented calibres include Bremont’s BC634AH, MAEN’s modified ST1721, and Christopher Ward’s JJ01 based on the Sellita SW200-1.
- Check current stock with the manufacturer or authorized retailer. Do not assume that a catalogue page means a watch is orderable.
- For used watches, request evidence. Ask for the reference number, service history, purchase records, warranty details, and a video showing the hour transition.
- Check water resistance against your use. The MAEN’s 5 ATM and the RESERVOIR’s documented 250m rating should not be treated as equivalent.
- Price the service risk honestly. Ask in advance who can service the jump-hour system and whether parts remain available, especially for retired or limited models.
Which jump-hour watch should you buy?
Buy the 38mm Bremont Terra Nova Jumping Hour if you want the most balanced modern option: compact dimensions, a 56-hour reserve, a clear three-indication layout, and the strongest evidence of current manufacturer availability.
Choose the MAEN Grand Tonneau Jump Hour if its 34mm tonneau case and value-oriented mechanical complication appeal to you and you are comfortable confirming a restock or buying used. Choose the Christopher Ward C1 Grand Malvern Jumping Hour if you want the least intimidating, most traditional display. Choose RESERVOIR if the retrograde minute, power reserve, and dive-watch case are the point of the purchase rather than secondary details.
Finally, select the Bremont Terra Nova Jumping Hour 1776 when the 250-piece limit and U.S. anniversary theme matter to you. Its limited status is a collecting feature, not a substitute for checking fit, condition, price, and service support.
Frequently Asked Questions
Is a jump-hour watch the same as a digital watch?
No. A conventional electronic digital watch displays time with numerals, but it is not automatically a jump-hour watch in the horological sense. A jump-hour watch uses a discrete, physically advancing hour indication, usually in a mechanical or mechanically inspired display.
Are jump-hour watches difficult to read?
The simplest designs are relatively easy to learn because they pair a familiar minute hand with an hour aperture. Retrograde-minute and multi-display watches such as RESERVOIR take longer to read at a glance, but their unusual display is part of the appeal.
Is the MAEN Grand Tonneau Jump Hour still available?
The MAEN Grand Tonneau Jump Hour remains documented in MAEN’s catalogue, but the brand’s dedicated collaboration page marks the listed MNL.01, MNL.02, and MNL.03 variants retired. Confirm live stock or look for a documented used example rather than assuming a new watch is available.
What is special about the Bremont Terra Nova Jumping Hour 1776?
The Bremont 1776 uses the BC634 jumping-hour calibre in a 40.5mm 904L-steel case and is limited to 250 pieces. Bremont’s U.S. collection lists leather and bracelet versions, but prices and stock should be checked before purchase.
What should I check before buying a used jump-hour watch?
Ask who services the jumping-hour mechanism, whether parts remain available, what warranty applies, and whether the service center supports the exact reference. These questions matter most for retired, limited-production, and heavily modified watches.
The Bottom Line
Bottom line: The Bremont Terra Nova Jumping Hour 38mm is the best overall recommendation for a current, wearable mechanical jump-hour watch. The MAEN is the intriguing value pick but should be treated as retired or used-market dependent; Christopher Ward is the classic dress alternative; RESERVOIR is the high-concept choice; and the Bremont 1776 is the limited-edition option.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
