PP CH 27-70
PP CH 27-70
© Patek Philippe
Calibre CH 27-70 is a manual winding chronograph movement by Patek Philippe.
The CH 27-70 is based on the Lemania 2310. It was the last not fully in-house produced movement by Patek.
It was used in the Chronograph 5070 model.
It was also base for a perpetual calendar complication. Later also a rattrapante function was added.
Variants
| Calibre | Dimensions (mm) | Jewels | Parts | Usage | Features |
|---|---|---|---|---|---|
| CH 27-70 | Ø 27.5, H ? | 24 | Chronograph 5070 | ||
| CH 27-70 Q | Ø 30, H ? | 24 | Perpetual Calendar Chronograph 3970, Perpetual Calendar Chronograph 3990, Perpetual Calendar Chronograph 5970 | Perpetual Calendar, day/night indication, (rattrapante) |
Description:
- Column wheel mechanism
Functions:
- Hours, minutes, small seconds
- Central Chronograph seconds, 30-minute counter
Data:
- 18,000 A/h
- Ø 27.5 mm, H ? mm
- Power reserve 60 hours
Production period:
- 1986-