Patek Philippe Platinum Perpetual Calendar , automatic, size 36mm. Patek Ref. 3940P with a platinum case and bezel, silver dial, perpetual calendar with day, date, moonphase and leap year indicator, sapphire crystal, Patek service case back. Black Patek leather strap, platinum deployant buckle, setting stylus. One year full warranty.

Maker: Patek
Model: Perpetual calendar
Reference: 3940
Case Size: 36mm
Year: Circa 1990
Crystal: Sapphire
Caliber: 240Q
Bracelet/Strap: Patek Leather Strap
Box/Papers: None

Grade: Excellent. Service case back.

Paul Duggan Fine Watches

37482: Patek Philippe Platinum Perpetual Calendar, Ref. 3940P