Patek Philippe, Ref. 3940 A well-preserved and collectible “first series” yellow gold perpetual calendar wristwatch with moon phase, 24-hour, and leap year indication

1987
36mm Diameter
Case, dial, movement, strap, and buckle signed.

Manufacturer: Patek Philippe
Year: 1987
Reference No: 3940
Movement No: 770’641
Case No: 2’841’336
Material: 18K yellow gold
Calibre: Automatic, cal. 240 Q, 27 jewels
Bracelet/Strap: Crocodile
Clasp/Buckle: 18K yellow gold Patek Philippe buckle
Dimensions: 36mm Diameter
Signed: Case, dial, movement, strap, and buckle signed.
Accessories: Accompanied by Patek Philippe Extract from the Archives confirming manufacture of the present watch in 1987 and its subsequent delivery on August 24th, 1987.