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.
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) |
Functions:
Data:
Production period:
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