Zenith
Calibre El Primero 3620
Automatic
Specifications
- Maker
- Zenith
- Type
- Automatic
- In-house
- Yes
- Power reserve
- Not found in sources
- Frequency
- 36,000 vph (5 Hz)
Sources
- Official Zenith retrieved October 18, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Zenith Chronomaster Solo Sport 03.5000.3620/21.M5000 | 40 mm | 13.13 mm | — |
| Zenith DEFY Skyline (steel, 41 mm) 03.9300.3620/01.I001 | 41 mm | 11.6 mm | — |
| Zenith DEFY Skyline Skeleton (steel) 03.9300.3620/78.I001 | 41 mm | 11.6 mm | — |
| Zenith DEFY Skyline Skeleton (ceramic) 49.9300.3620/07.I001 | 41 mm | 11.6 mm | — |
| Zenith DEFY Extreme Diver 95.9601.3620/51.I301 | 42.5 mm | 15.5 mm | — |
| Zenith Pilot Automatic (steel) 03.4000.3620/21.I001 | 40 mm | 12.85 mm | — |
| Zenith Pilot Automatic (ceramic) 49.4000.3620/21.I001 | 40 mm | 12.85 mm | — |