The CH 27-70 is a hand-wound chronograph movement from Patek Philippe, based on the Lemania 2310. It was used primarily in the Reference 5070 chronograph. Production ceased when Patek Philippe replaced it with the in-house 5170 caliber.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
Winding
Manual
COMPLICATIONS
Chronograph
QUICK FACTS
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