IWC
Calibre 52616
Automatic
Specifications
- Maker
- IWC
- Type
- Automatic
- In-house
- Yes
- Power reserve
- 168 h
- Frequency
- 28,800 vph (4 Hz)
Sources
- Official IWC retrieved October 16, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| IWC Schaffhausen Big Pilot's Watch Perpetual Calendar TOP GUN Woodland IW503101 | 46.5 mm | 15.5 mm | — |
| IWC Schaffhausen Big Pilot's Watch Perpetual Calendar TOP GUN Ceratanium IW503604 | 46.2 mm | 15.4 mm | — |
| IWC Schaffhausen Big Pilot's Watch Perpetual Calendar IW503605 | 46.2 mm | 15.4 mm | — |
| IWC Schaffhausen Big Pilot's Watch Perpetual Calendar Ceralume IW505801 | 46.5 mm | 15.9 mm | — |
| IWC Schaffhausen Portugieser Perpetual Calendar 44 (18 ct 5N gold) IW503701 | 44.4 mm | 15 mm | — |
| IWC Schaffhausen Portugieser Perpetual Calendar 44 (18 ct white gold) IW503703 | 44.4 mm | 15 mm | — |