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PP CH 27-70

PP CH 27-70 (click to enlarge!)
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.




  • Hours, minutes, small seconds
  • Central Chronograph seconds, 30-minute counter


Production period:

pp_ch_27-70.txt · Last modified: 02.12.2022 20:38 by

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