HYT
HYT H4 Metropolis 512-TD-45-GF-RN
The HYT H4 Metropolis (reference 512-TD-45-GF-RN) is a 51 mm DLC titanium watch with a black dial.
Specifications
Case
- Reference
- 512-TD-45-GF-RN
- Collection
- H4
- Case size
- 51 mm
- Thickness
- 17.9 mm
- Case material
- DLC titanium
- Case shape
- Round
- Crystal
- Sapphire
- Bracelet / strap
- Nomex and rubber
Dial and bezel
- Dial
- Black
Movement
- Movement
- Manual
- Power reserve
- 65 hours
- Frequency
- 28,800 vph
- Functions
- Retrograde fluidic hours, Light (dynamo-powered LEDs)
Production
- Production
- Limited
Dial versions
This reference was made with these dials and finishes.
512-TD-45-GF-RN Black
Green liquid; steel and green accents
How it compares within the H4 family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| 512-TD-45-GF-RN (This watch) | 51 mm | DLC titanium | Black | — | — |
| H4 Alinghi | 51 mm | 3DTPT carbon | — | — | 2015– |
About the H4 family
The H4 adds a small generator that, when wound, lights the fluid display with LEDs.
The catalog lists the H4 Alinghi, made with the sailing team, and the H4 Metropolis. Dealers check the light and the liquid line.
Quick answers
- What size is the HYT H4 Metropolis 512-TD-45-GF-RN?
- The HYT H4 Metropolis 512-TD-45-GF-RN has a 51 mm case, 17.9 mm thick.
- Is the HYT H4 Metropolis 512-TD-45-GF-RN still in production?
- Limited.
- What is the HYT H4 Metropolis 512-TD-45-GF-RN made of?
- The case is DLC titanium. Bracelet or strap: Nomex and rubber.
Catalog facts checked November 2026.