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Patek Philippe. A fine 18K gold automatic perpetual calendar wristwatch with moon phase Patek Philippe. Belle montre bracelet en or jaune 18K (750) calendrier perpétuel et phase de lune mouvement automatique Ref: 3940, Purchased 23rd December 1987 image 1
Patek Philippe. A fine 18K gold automatic perpetual calendar wristwatch with moon phase Patek Philippe. Belle montre bracelet en or jaune 18K (750) calendrier perpétuel et phase de lune mouvement automatique Ref: 3940, Purchased 23rd December 1987 image 2
Patek Philippe. A fine 18K gold automatic perpetual calendar wristwatch with moon phase Patek Philippe. Belle montre bracelet en or jaune 18K (750) calendrier perpétuel et phase de lune mouvement automatique Ref: 3940, Purchased 23rd December 1987 image 3
Lot 75Y

Patek Philippe. A fine 18K gold automatic perpetual calendar wristwatch with moon phase
Patek Philippe. Belle montre bracelet en or jaune 18K (750) calendrier perpétuel et phase de lune mouvement automatique Ref: 3940, Purchased 23rd December 1987

Fine Watches and Chronographs
18 October 2023, 14:00 CEST
Paris, Avenue Hoche

Sold for €51,200 inc. premium

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Patek Philippe. A fine 18K gold automatic perpetual calendar wristwatch with moon phase

Patek Philippe. Belle montre bracelet en or jaune 18K (750) calendrier perpétuel et phase de lune mouvement automatique
Reference: 3940
Date: Purchased 23rd December 1987
Movement: 27-jewel Cal.240Q automatic, adjusted to heat, cold, isochronism and 5 positions, stamped with the Seal of Geneva, Gyromax balance, 22K gold micro-rotor, No.770347
Dial: Silvered, applied 18K gold pointed baton hour markers, dot outer minute markers, subsidiary dials at 3, 6 and 9 indicating day combined with 24-hour display, month combined with leap year indication, and phases of the moon combined with date, gilt dagger hands
Case: Brushed and polished round, solid snap on back, quick set buttons in the band at 6, 9 and 12, No.2831401
Strap/Bracelet: Black crocodile leather
Buckle/Clasp: Signed 18K gold buckle
Signed: Case, dial & movement
Size: 36mm
Weight: 59,34g
Accompaniments: Patek Philippe box, outer card, quick set tool, Certificate of Origin

Footnotes

In 1984 Patek Philippe launched the reference 3940, to replace the reference 3450. At the time, it was their slimmest automatic perpetual calendar. In the first year of production only 100 examples were manufactured but by 1985, the model went into standard production. It was discontinued in 2007, and replaced by the reference 5140.

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