PP CH 28-520
PP CH 28-520
© Patek Philippe
Calibre CH 28-520 is an automatic chronograph movement by Patek Philippe.
Used among others in the current Nautilus 5980 model.
CH 28-520 Family
| Calibre | Dimensions (mm) | Jewels | Parts | Usage | Features |
|---|---|---|---|---|---|
| CH 28-520 C/522 | Ø 30, H 6.63 | 35 | 327 | Nautilus 5980 | Chronograph with 60-minute and 12-hour mono-counter, date |
| CH 28-520 C/528 | Ø 30 H 6.63 | 32 | 308 | Aquanaut 5968 | Chronograph with 60-minute counter, date |
| CH 28-520 C FUS | Ø 31, H 6.95 | 34 | 370 | Nautilus 5990 | Chronograph with 60-minute counter, dual time-zone |
| CH 28-520 HU | Ø 33, H 7.97 | 38 | 343 | Complications 5930 | Flyback chronograph, Worldtimer |
| CH 28-520 IRM QA 24H | Ø 33, H 7.68 | 40 | 456 | Complications 5961 | Annual calendar, day/night indication, power reserve indicator |
| CH 28-520 QA 24H | Ø 33, H 7.68 | 37 | 402 | Complications 5905 | Flyback chronograph, 60-minute counter, annual calendar, day, date, month and day/night indication |
Description:
- Self-winding chronograph movement
- Column wheel mechanism
Functions:
- Hours, minutes
- Chronograph with 60-minute and 12-hour mono-counter
Data:
- 28,800 A/h
- Ø 30 mm, H 6.63 mm
- 35 jewels
- 327 parts
- Power reserve min. 45 hours, max. 55 hours
Production period:
- ?-present