Patek Philippe Perpetual Calendar Moon Phase 18K Yellow Gold Ref. 3940J

$50,500.00 USD

Manufacturer: Patek Philippe
Model: Perpetual calendar
Reference Number: 3940J
Movement: Automatic
Condition: Mint
Gender: Men’s/unisex
Time Period: 1987
Retail / Compare-At Price: $61,900
Our Best Price: $50,500

Movement: 770636
Caliber: 240 Q
Jewels: 27

Case Material: 18K yellow gold
Case Diameter: 36 mm
Thickness: 8.5 mm
Waterproof: 80ft. / 25 m.
Water Resistance: 2.5 ATM
Material Bezel: Stepped 18K yellow gold
Glass: Sapphire crystal
Dial: White opaline
Dial Numerals: 18K yellow gold applied faceted stick hour indices, beady minute/second divisions around the outer rim 

Bracelet color: Black
Bracelet Material: Leather
Clasp: Tang
Clasp material: 18K yellow gold

Perpetual calendar, GMT, date and moon phase indicators at 6 o’clock, day and 24-Hour indicators at 9 o’clock, month and leap year indicators at 3 o’clock, hours, minutes, 46-hour power reserve

18K yellow gold dauphine-shaped hands, blackened and yellow gold leaf-shaped functions hands
18K yellow gold push/pull crown
Original Patek Philippe buckle
Solid 18K yellow gold case back, snap on the back
Movement stamped with the Seal of Geneva quality mark, rhodium-plated, fausses côtes decoration, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring, 22K gold micro-rotor
Patek Philippe GENEVE signature at 12 o'clock, case and movement signed
Four push-piece correctors house in the case body: corrector at 9 o'clock sets "days of the week only", corrector at 11:30 sets "date and days of the week", corrector at 12:30 sets "month" and corrector at 6 o'clock sets "moon phase"
Downturned lugs
Rare "first series" dial
Discontinued, collector’s item
Delivered with Extract from the Patek Philippe Archives confirming production of the present watch in 1987 and its subsequent sale on February 1988
Incomplete (no box,  with extract for the Patek Philippe Archives)
The model ref. 3940 was launched in 1986 to replace the model ref. 3450, and manufactured until 2006/2007 (7000 pieces). It was then replaced by the model ref. 5140 and then ref. 5327.
The ref. 3940 was then the longest production model.