IWC
Calibre 79091
Automatic
Specifications
- Maker
- IWC
- Type
- Automatic
- In-house
- Not stated
- Power reserve
- 44 h
- Frequency
- 28,800 vph (4 Hz)
Sources
- Official IWC retrieved October 16, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| IWC Schaffhausen Portugieser Grande Complication (platinum) IW377601 | 45 mm | 16.5 mm | — |
| IWC Schaffhausen Portugieser Grande Complication (18 ct 5N gold) IW377602 | 45 mm | 16.5 mm | — |