Patek Philippe Perpetual Calendar Chronograph 3970E

Reference 3970 E ‘Third Series’ | A yellow gold perpetual calendar chronograph wristwatch with moon phases, leap year, and 24 hour indication, Circa 1992 Patek Philippe

Dial: silvered Caliber: cal. 27-70Q mechanical, 24 jewels Movement number: 876’708 Case: 18k yellow gold, screw down sapphire crystal display back Case number: 2’934’725 Closure: 18k yellow gold Patek Philippe buckle Size: 36 mm diameter Signed: case, dial and movement Box: yes Papers: yes Accessories: Patek Philippe presentation box, Certificate of Origin (undated), leather bi-fold, operating instructions, second solid case back, hang tag, hang tag, and setting pin