IWC
Calibre 75320
Automatic chronograph
Specifications
- Maker
- IWC
- Type
- Automatic chronograph
- 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 Portofino Chronograph (18 ct 5N gold, calibre 75320) IW391035 | 42 mm | 13.6 mm | — |
| IWC Schaffhausen Portofino Chronograph (steel, calibre 75320) IW391036 | 42 mm | 13.6 mm | — |