Patek Philippe Perpetual Calendar Chronograph 3971 (3971J/001) Replica Watches
Serise:Patek Philippe Grand Complications
Case Material:Yellow gold
Case Diameter:36.00 mm
Dial Indexes:Arabic numerals
Based on a Nouvelle Lemania ebauche, the CH 27-70 Q powered the iconic references 3970 and 5970. With added rattrapante function (CHR 27-70 Q) it also served in the much-coveted 5004. It was the last of the Patek Philippe Perpetual Calendar Chronograph movements not to be fully in-house.
Caliber:CH 27-70 Q
Time:Hours, Minutes, Small Seconds, Day / Night Indication
Date:Date, Day, Leap Year, Month, Perpetual Calendar
Chronograph:Chronograph, Column wheel
The Patek Philippe reference 3971 is a rare variation of the 3970, exclusively fitted with a glazed screw back. Most were fitted with a silver dial. The pictured example however, a 1989 model later to appear in a Christie's auction, features a rare gilt dial.
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