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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallThe HYT H20 “Time Is Fluid” is a limited-edition mechanical watch announced ahead of SIHH 2019. Its most unusual feature is the hour display: colored liquid moves through a capillary, with the boundary between colored and transparent fluids marking the present. The watch was offered in stainless steel and 18K yellow gold, with 20 pieces in each material.
What is the HYT H20 “Time Is Fluid”?
The H20 “Time Is Fluid” is a 2019 edition of HYT’s H2.0 design, built around a three-dimensional, open-looking architecture beneath a large domed sapphire crystal. HYT’s timeline describes the H2.0, introduced in 2018, as a transparent, three-dimensional design. The 2019 edition places the words “TIME IS FLUID” around the dial in place of the earlier side numerals, making the watch’s central idea part of how its hours are read.
HYT Vice President & Creative Director François Nunez described the design aim this way: “With the H20 ‘Time is Fluid’, we wanted to capture some sort of tension between a modern expression and a timeless feel.” In the same launch article, he added: “At HYT, we sit at the crossroads between art and science. It is important for such a key SIHH novelty to visualize both the craftsmanship and the cutting-edge technology that goes into our watches,” he continued.
How does the liquid hour display work?
HYT describes a system in which two flexible reservoirs, or bellows, connect to a capillary. One reservoir holds colored fluid and the other transparent fluid; as the mechanism operates, the fluids move through the capillary. The colored fluid indicates the elapsed hours, while the meniscus—the boundary between the two liquids—marks the current hour. HYT assigns the colored liquid to the recent past and the transparent liquid to the forthcoming future, framing the boundary as the present.
#1 Best Overall
- 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)
This is a mechanical time display, not a conventional hour hand: the advancing liquid traces the hours around the dial. Minutes are shown separately on an off-centred display, with a small-seconds indication as well. A launch-era hands-on report also describes a crown-position indicator for time-setting, neutral, and winding modes.
HYT H20 “Time Is Fluid” specifications
| Specification | Reported detail |
|---|---|
| Case diameter | 51 mm |
| Case height | 19.95 mm |
| Case materials | Stainless steel or 18K yellow gold |
| Crystal and caseback | Domed sapphire crystal; sapphire caseback |
| Water resistance | 30 m |
| Movement | Hand-wound proprietary movement developed with APRP |
| Power reserve | 192 hours (eight days) |
| Strap and buckle | Translucent grey rubber strap; titanium folding buckle |
| Edition size | 20 pieces per material |
The reported 51 mm diameter and 19.95 mm height make this a substantial watch on paper. Those dimensions alone do not establish how it feels on the wrist.
Rank #2
- Stainless steel case 43mm diameter x 12mm thick; Black dial; Luminous hands and hour markers
- Japanese quartz movement, PC32 Caliber; Assembled in Japan; SR626SW battery included; Watch weight: 170 grams
- Stainless steel band, 185mm L x 22mm W; Band is adjustable by adding/removing links; Fold over safety clasp
- Flame Fusion crystal; Screw down crown; Uni-directional stainless steel bezel with black top bezel ring; 100 meter water resistant: Suitable for recreational surfing, swimming, snorkeling, sailing and water sports. Not suitable for diving
Steel versus gold: variants and launch prices
| Variant | Case material | Reported launch price | Edition size |
|---|---|---|---|
| Steel | Stainless steel | CHF 115,000 | 20 pieces |
| Gold | 18K yellow gold | CHF 125,000 | 20 pieces |
Monochrome Watches reported these launch prices and edition quantities in its 2018 coverage; Man of Many also reported the prices. The difference at launch was CHF 10,000. The reported references are 251-AD-464-BF-RU for steel and 251-GD-465-RF-RU for gold.
These are historical release figures, not current valuations. Current dealer stock, resale asking prices, and completed transaction values have not been established by the cited launch coverage. No currency conversion is included because it would depend on an exchange rate and date.
Rank #3
- Precision Craftsmanship: Powered by the 8215 movement, the heart of mens automatic watches;this stainless steel watch combines 21-jewel engineering with a 120-click unidirectional rotation ceramic bezel.The sunburst dial gleams under sunlight
- Dive Ready: Engineered for serious underwater exploration with 200 m waterproof performance, protected by screw-down crown and equipped with a safety unidirectional bezel to track immersion times
- Clear Readibility: Synthetic sapphire offers superior hardness and improved resistance to scratches when compared to mineral glass, AR coating to reduce glare. With BGW9 luminous coating, the bezel, hands, and hour markers ensure excellent visibility even in darkness
- Size: Bezel diameter: 40.25 mm; Case diameter: 42.6 mm; Case length: 48 mm; Case thickness: 13.2 mm; Lug size: 20 mm
- Versatile designs: The sunburst dial transforms its identity - with a rubber strap, it serves as a men's automatic diver's watch; while paired with a stainless steel bracelet, it elegantly becomes a fashionable men's watch perfect for cocktail nights
Case, movement and wearing considerations
The sapphire front and back leave the H20’s complex construction on display, while the hand-wound movement was developed with APRP. Its stated 192-hour reserve corresponds to eight days between full windings under the specification reported at launch. The translucent grey rubber strap and titanium folding buckle complete both reported material variants.
A 30 m water-resistance rating is a specification, not a recommendation for swimming or other water use. Consult the watch’s current documentation and a qualified service provider for practical care guidance; present-day service arrangements are not established in the launch sources.
Quick Recap
Best Value
- Gold tone stainless steel case 40mm diameter x 14mm thick; Exhibition case back; Black dial; Luminous hands and hour markers
- NH35A Japanese Automatic movement, 24 jewel; Assembled in Malaysia; Watch weight: 152 grams
- Gold tone stainless steel band, 205mm L x 20mm W; Band is adjustable by adding/removing links; Fold over safety clasp
- Mineral crystal; Screw-down crown; Unidirectional stainless steel coin edge bezel with black top bezel ring; 200 meter water resistant: Suitable for professional marine activity and surface water sports. Suitable for diving.
Rank #4
- Round watch featuring corrugated unidirectional bezel, luminous hands/markers, and magnified date window at 3 o'clock
- 40 mm, Length: 210mm, 23k gold-plated stainless steel case with mineral dial window. Movement Caliber: NH35A
- Japanese automatic movement with analog display
- Gold & Stainless steel tone bracelet with foldover clasp with safety closure
- Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving.
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.
