IWC
Calibre 89361
Automatic chronograph
Specifications
- Maker
- IWC
- Type
- Automatic chronograph
- In-house
- Yes
- Power reserve
- 68 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 Yacht Club Chronograph IW390701 | 44.6 mm | 14.3 mm | — |