HYT
HYT T1 Titanium Guilloche H03421-A
The HYT T1 Titanium Guilloche (reference H03421-A) is a titanium with silver and black DLC finish watch with a blue dial. It runs on the manual caliber 501-CM with a 72-hour power reserve and is water resistant to 50 m.
Specifications
Case
- Reference
- H03421-A
- Collection
- T1
- Thickness
- 17.2 mm
- Case material
- Titanium with silver and black DLC finish
- Crystal
- Sapphire
- Water resistance
- 50 m
- Bracelet / strap
- Rubber
Dial and bezel
- Dial
- Blue
Movement
- Movement
- Manual
- Caliber
- 501-CM
- Power reserve
- 72 hours
- Frequency
- 28,800 vph
- Jewels
- 41
Production
- Limited edition
- 8 pieces
Dial versions
This reference was made with these dials and finishes.
H03421-A Blue
H03421-A
Blue-coated handmade guilloche brass; rhodium-plated appliques; black liquid
How it compares within the T1 family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| H03421-A (This watch) | — | Titanium with silver and black DLC finish | Blue | 501-CM | — |
| H03205-A | — | Titanium (silver and black coated) | Silver | 501-CM | — |
| H03206-A | — | Titanium (silver and black coated) | Grey | 501-CM | — |
| H03207-A | — | Titanium (silver and black coated) | Salmon | 501-CM | — |
| H03208-A | — | 5N gold and black-coated titanium | Blue | 501-CM | — |
| H03343-A | — | Titanium and black-coated titanium | Green | 501-CM | — |
| H03344-A | — | Titanium and black-coated titanium | Purple | 501-CM | — |
| H03345-A | — | 5N gold and black-coated titanium | Brown | 501-CM | — |
About the T1 family
The T1 is a HYT fluid-hour watch with a power reserve indicator.
The catalog lists versions in titanium and in 5N gold with titanium, including the Millésime editions with chocolate, green and purple dials, a guilloché dial and salmon. Dealers check the liquid line and the edition.
Quick answers
- What movement does the HYT T1 Titanium Guilloche H03421-A use?
- It uses the manual caliber 501-CM, with a 72-hour power reserve.
- How water resistant is the HYT T1 Titanium Guilloche H03421-A?
- It is water resistant to 50 metres.
- What is the HYT T1 Titanium Guilloche H03421-A made of?
- The case is titanium with silver and black DLC finish. Bracelet or strap: Rubber.
Catalog facts checked November 2026.