Patek Philippe Perpetual Calendar Chronograph Ref 3971, 1989

Signed Patek Philippe, Geneve, ref. 3971, This is a rare 18K gold perpetual calendar chronograph wristwatch with moon phases, opaline dial, snap on back and original certificate, manufactured in 1989. Ref 3971 is the rare transitional brother of Patek 3970 2nd Generation. This timepiece presents in extraordinary, all original condition. The case with rich natural patina to the gold and showing no signs of polishing.

Cal. CH 27-70 Q nickel-finished lever movement stamped with the Geneva seal, 24 jewels, Gyromax balance, free sprung regulator, two-tone silvered matte dial, applied gold baton numerals, outer Arabic five minute divisions, two windows for day and month, three subsidiary dials for constant seconds and 24 hours register, 30 minutes register and leap year indicator, date and moon phases, circular case, downturned fluted lugs, snap on back, two round chronograph buttons in the band, 18K gold Patek Philippe buckle, case, dial and movement signed. Comes with Box, Papers, Setting Stylus

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Movement/Caliber CH 27-70 Q
Base caliber CH 27-70 Q
Power reserve 48 h
Number of jewels 24
Frequency 18800 A/h

 

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