Patek Philippe Perpetual Calendar Moon Phase Roman Numerals 18K Yellow Gold Ref. 3940J
Manufacturer: Patek Philippe
Model: Perpetual calendar
Reference Number: 3940J-025
Time Period: 2005
Retail / Compare-At Price: n/a collector's item
Our Best Price: $51,950
Caliber: 240 Q
Case Material: 18K yellow gold
Case Diameter: 36 mm
Thickness: 9 mm
Waterproof: 80 ft. / 25 m.
Water Resistance: 2.5 ATM
Material Bezel: Stepped 18K yellow gold
Glass: Sapphire crystal
Dial Numerals: Black painted Roman numeral hour indices, minute railway track around the outer rim
Bracelet color: Black
Bracelet Material: Leather
Clasp: Fold-over Calatrava cross
Clasp material: 18K yellow gold
Perpetual calendar, recessed moon phase subsidiary dial at 6 o'clock, with a combined radial date indicator, twin recessed white subsidiary dials, including a combination day and 24-hour register at 9 o'clock, and a combination month with leap year sub-dial is at 3 o'clock, hours, minutes, 46-hour power reserve.
Blackened arrow-shaped hands and functions hands
18K yellow gold Calatrava fluted push/pull crown
Original Patek Philippe buckle
Sapphire crystal display 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 Bréguet 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."
This mechanism oscillates at the frequency of 21,600 vph (3 Hz).
The solid three-body case, downturned lugs, and stepped bezel are polished.
The 9mm thick case, dial, and movement are all signed.
Discontinued, collector’s item
Incomplete (no box, with an extract from the Patek Philippe Archives, dated 2005)
The model ref. 3940 was launched in 1986 and manufactured until 2006/2007 (7000 pieces), then replaced by the model ref. 5140 and then ref. 5327
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