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H. Moser & Cie. Pioneer Flying Hours in Steel: How the Wandering-Hours Display Works

The steel Pioneer Flying Hours uses three rotating hour discs around a central minutes disc, with an instantaneous hour change. Here are its confirmed specifications and how it differs from the limited aventurine sibling.
Estimate3–4 min Catalogued SpecialistWatchRanker Team
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The H. Moser & Cie. Pioneer Flying Hours in steel, reference 3240-1200, replaces conventional hands with three rotating hour discs that orbit a central minutes disc. At each new hour, the displayed numeral jumps instantaneously into view. The manufacturer lists the 42.8 mm steel watch at CHF 29,000 excluding VAT; its official specifications also include 12 ATM water resistance and a 72-hour power reserve.

How the Pioneer Flying Hours tells time

There are no conventional hour or minute hands. Instead, the display uses four discs: three carry hour numerals and rotate on their own axes around a central disc that shows the minutes. H. Moser & Cie. says an in-house spring innovation makes the passing hour jump crisply into view as the previous numeral fades away. The maker describes the numerals as jumping every hour on its official product page.

In Monochrome Watches’ January 2026 account, the change happens instantaneously on the hour, unlike the gradual transition in the earlier Endeavour Flying Hours. At any given moment, one aperture shows the current hour while the other two remain blank. That is the intended layout, not a missing numeral or a malfunction: the display relies on the three-disc arrangement to bring the active hour into view as the discs move.

What is confirmed about the steel reference

H. Moser & Cie. identifies the white-fumé steel model as reference 3240-1200. The manufacturer’s product page lists these core specifications and a price of CHF 29,000 excluding VAT. The price is a displayed listing, not a guarantee of local stock or a final tax-inclusive transaction price.

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#1 Best Overall
CIGA Design Wandering Hour Automatic Mechanical Watch, Time Cipher, 45MM Round Steel Case, Super-Black Dial, Super Luminova, Fluororubber Strap Gifts for Men and Women
  • Wandering Hour Display: A Minimalist approach beyond convention, with hours drifting in continuous motion alongside the minutes. At the dial’s centre, a singular wandering assembly traces minutes; along its path, an hour disc rotates calmly, read against a fixed marker.
  • Self-Developed Caliber CD-08: Based on the Japanese Miyota 9000-series automatic base, with 24 jewels supporting stable, consistent performance.Built upon the renowned Mivota 9000 series-42-hour reserve 28,800 vph, 24 jewels-this customized automatic is designatec CD-08.
  • Super Black Dial: Absorbing 99.3% of light, the dial lets motion emerge from darkness without distraction. Raised minute indices, finely CNC-engraved, encircle the shadow, catching light and framing the motion.
  • Sculpted 316L Steel Case: A layered case design combining polished and sandblasted surfaces for refined contrast. Slim and fluid at 11.8 mm, designed to rest close and composed on the wrist. Swiss Super-LumiNova enhances a distinct nighttime presence.
  • FREE Warranty for 2 Years: CIGA Design is committed to providing high-quality products and perfect after-sales service. Every CIGA Design watch undergoes strict quality inspection before it leaves the factory. If you encounter problems when using the watch, please feel free to contact us. We will contact you within 24 hours and give you a satisfactory solution.We are committed to better service.
Specification Steel Pioneer Flying Hours 3240-1200
Case Steel; 42.8 mm diameter (H. Moser & Cie., product page)
Thickness 14.2 mm overall; 10.6 mm excluding crystal (Monochrome Watches, January 2026)
Water resistance 12 ATM (H. Moser & Cie.); Monochrome renders this as 120 m
Movement Automatic HMC 240
Power reserve 72 hours
Strap Rubber (manufacturer); Monochrome specifies grey textured rubber and a steel pin buckle
Listed price CHF 29,000 excluding VAT/taxes (H. Moser & Cie.; Monochrome Watches, 2026)

Monochrome also reports that the HMC 240 measures 32 mm by 7.8 mm, beats at 21,600 vibrations per hour (3 Hz), has 35 jewels and bi-directional winding, and uses a tungsten rotor and a Straumann hairspring with a flat overcoil. These finer movement details are reported by Monochrome rather than listed among the manufacturer’s core product-page specifications.

What the published hands-on account describes

Monochrome describes a white-fumé dial that darkens toward the edge, shaped apertures for the hour discs and a central skeletonised minutes disc. Its account notes the absence of a logo on the dial, sculpted lugs, recessed fluted sections in the mid-case, and alternating brushed and polished surfaces. It also reports a screw-down crown and sapphire caseback.

Rank #2
Nubeo Men's 38.5mm Tri-Star Orbit Automatic Limited Edition Cosmos Blue Watch with Rubber Strap NB-6116-0C
  • OUR STORY: Nubeo Portrays and takes inspiration from both the space and sea to create timepieces in tribute, in function and in design.Each Nubeo timepiece is defined by performance, functionality yet with a design language that blends the organic with the industrial in a manner that makes for a truly unique exhibition of time.
  • MOVEMENT: The Tri-star Orbit Automatic Limited Editionis powered by a powerful yet slim hacking 9039 Miyota Self-winding automatic movement featuring 24 Jewels, 28,800 bph and power reserve of 42 hours
  • THE FINER DETAILS: Featuring a 38.5mm Stainless Steel Case , 20mm Rubber Strap Anti Reflection Coating Mineral Lens and Water Resistance Of Up To 5 ATM.
  • WARRANTY : 2 Years International Warranty

Those visual, construction and wearing descriptions are Monochrome Watches’ observations, not independent physical impressions from this article. The 42.8 mm diameter comes from the manufacturer; the 14.2 mm total thickness, including the high-domed crystal, is reported by Monochrome. No lug-to-lug measurement or wrist-size test is provided in the consulted accounts, so those figures alone do not establish how the watch will fit a particular wrist.

How it differs from the Endeavour Flying Hours

Monochrome says H. Moser & Cie. introduced the Endeavour Flying Hours in 2018, followed by blue Super-LumiNova and Cosmic Green editions in 2019. The Pioneer carries the wandering-hours concept into the sportier Pioneer collection and changes the hour transition: the earlier Endeavour version moved gradually, while this Pioneer makes an instantaneous jump, according to Monochrome’s comparison.

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Rank #3
CIGA Design Wandering Hour Automatic Mechanical Watch, Time Cipher, 45MM Round Steel Case, Super-Black Dial, Super Luminova, Fluororubber Strap Gifts for Men and Women
  • Wandering Hour Display: A Minimalist approach beyond convention, with hours drifting in continuous motion alongside the minutes. At the dial’s centre, a singular wandering assembly traces minutes; along its path, an hour disc rotates calmly, read against a fixed marker.
  • Self-Developed Caliber CD-08: Based on the Japanese Miyota 9000-series automatic base, with 24 jewels supporting stable, consistent performance.Built upon the renowned Mivota 9000 series-42-hour reserve 28,800 vph, 24 jewels-this customized automatic is designatec CD-08.
  • Super Black Dial: Absorbing 99.3% of light, the dial lets motion emerge from darkness without distraction. Raised minute indices, finely CNC-engraved, encircle the shadow, catching light and framing the motion.
  • Sculpted 316L Steel Case: A layered case design combining polished and sandblasted surfaces for refined contrast. Slim and fluid at 11.8 mm, designed to rest close and composed on the wrist. Swiss Super-LumiNova enhances a distinct nighttime presence.
  • FREE Warranty for 2 Years: CIGA Design is committed to providing high-quality products and perfect after-sales service. Every CIGA Design watch undergoes strict quality inspection before it leaves the factory. If you encounter problems when using the watch, please feel free to contact us. We will contact you within 24 hours and give you a satisfactory solution.We are committed to better service.

Steel model versus the aventurine edition

The white-fumé steel watch is the permanent-collection reference 3240-1200, not a 100-piece limited edition. H. Moser & Cie. also lists an aventurine sibling. The manufacturer’s French product page and Monochrome describe that separate model as limited to 100 pieces, with a red-gold case and black DLC-coated titanium elements. Monochrome reports its price at CHF 39,000 excluding taxes.

Model Case and dial distinction Availability description Reported listed price
Pioneer Flying Hours 3240-1200 Steel case; white-fumé dial Permanent collection (H. Moser & Cie.; Monochrome Watches) CHF 29,000 excluding VAT/taxes (H. Moser & Cie.; Monochrome Watches, 2026)
Pioneer Flying Hours aventurine Red-gold case with black DLC-coated titanium elements; aventurine dial Limited to 100 pieces (H. Moser & Cie., French product page; Monochrome Watches) CHF 39,000 excluding taxes (Monochrome Watches)

The two prices are the amounts reported by the cited sources, not confirmation of current stock or a final price including local taxes.

Rank #4
MandetBrote Wandering Hour Automatic Mechanical Watch (Gold)
  • EXCLUSIVE LIMITED EDITION: Strictly limited to only 50 pieces worldwide, this timepiece is a rare collector's item. Each watch comes with a premium Travel Packaging Box, making it a unique gift for watch enthusiasts or a distinguished addition to your own collection
  • PREMIUM MATERIALS & SAPPHIRE CRYSTAL: Crafted with a durable 316L stainless steel case (41.2mm width, 12.3mm height) and protected by ultra-scratch-resistant Sapphire Glass with anti-reflective coating. The exhibition sapphire caseback allows you to admire the intricate movement in action
  • RELIABLE MIYOTA 8215 MOVEMENT: Powered by the renowned Miyota 8215 Automatic Movement featuring 21 jewels and a 36-hour power reserve. It supports both automatic and hand-winding functions, ensuring precise timekeeping with a micro chain drive complication
  • SUPERIOR VISIBILITY: Equipped with Swiss Super-LumiNove on the dial, offering unmatched legibility in any lighting condition. The advanced luminescent material absorbs light quickly and glows brightly in the dark, ensuring you can read the time clearly throughout the night
  • WATER RESISTANT & COMFORTABLE: Designed for daily wear with 5 ATM (50m) water resistance, suitable for swimming and showering. The watch features a classic 20-18mm genuine leather strap with a stainless steel buckle for a comfortable and stylish fit
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Manuals and support

H. Moser & Cie.’s manuals and customer-service page lists a manual for the 3240 Pioneer Flying Hours and provides routes to guarantee and service information and retailer finding. The consulted page does not establish warranty duration, service intervals, service costs or stock at any particular authorised retailer.

Best Value
Men's Mechanical Automatic Watch with Sapphire Unique Dial (BROWN)
  • THE WALKIE-TALKIE CONCEPT & COSMIC SIGNAL: Named "Walkie-Talkie," this timepiece embodies a signal sent beyond the known universe, drifting through the deep silence in search of resonance. Designed for those who seek connection across distant frequencies, it carries a bold message on your wrist: "I am here. Can you hear me?"
  • AVANT-GARDE JUMP HOUR & WANDERING DISC DISPLAY: Inspired by space telemetry and aerospace instruments, the watch features a unique 3-tier vertical disc display. The top window presents a jump hour readout, while the central half-moon arc displays continuous minutes with an intuitive blue pointer for a striking timekeeping experience.
  • CONTINUOUS 6 O'CLOCK SECONDS SUBDIAL: Driven by a precision self-winding automatic movement, the dedicated subdial at the 6 o'clock position features an animated rotating seconds disc. The distinctive blue triangle indicator rotates endlessly like a signal beam sweeping through the cosmos.
  • INDUSTRIAL TONNEAU CASE & SAPPHIRE CRYSTAL: Crafted with an armor-like 32x46mm tonneau brushed stainless steel case, this watch delivers a powerful, ergonomic wrist presence. Protected by ultra-scratch-resistant sapphire crystal glass and 50M (5 ATM) water resistance, it is built for durability and daily wear.
  • TACTICAL LEATHER-CANVAS STRAP & PERFECT GIFT: Designed for style and comfort, the 20mm high-density canvas strap features a soft genuine leather backing and classic pin buckle. Delivered in a premium brand gift box, it makes an exceptional gift for watch collectors, pilots, and modern design enthusiasts.

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.

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