Patek Philippe
Calibre 31-505 8J PS IRM CI J
Manual winding
Specifications
- Maker
- Patek Philippe
- Type
- Manual winding
- In-house
- Yes
- Power reserve
- at least 192 h
- Frequency
- 28,800 vph (4 Hz)
Sources
- Official Patek Philippe retrieved October 16, 2026
Used in
| Watch | Ø | Thickness | Lug-to-lug |
|---|---|---|---|
| Patek Philippe Complications 5328G 5328G-001 | 41 mm | 10.52 mm | — |