Patek Philippe Perpetual Calendar Moon Phase 18K Yellow Gold Ref. 3941J
Manufacturer: Patek Philippe
Model: Perpetual calendar
Reference Number: 3941J
Condition: Very good
Time Period: 1986
Retail / Compare-At Price: n/a collector's piece, extremely rare
Our Best Price: $49,400
Caliber: 240 Q
Case Material: 18K yellow gold
Case Diameter: 36 mm
Thickness: 9 mm
Waterproof: 80ft. / 25 m.
Water Resistance: 2.5 ATM
Material Bezel: Stepped 18K yellow gold
Glass: Sapphire crystal
Dial Numerals: 18K yellow gold applied faceted "boat" shaped hour indices, beady minute divisions around the outer rim, black Arabic numerals and markers on the sub-dials
BRACELET / STRAP
Bracelet color: Black
Bracelet Material: Leather
Clasp material: 18K yellow gold
Perpetual calendar, 31-day radial 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 function hands
18K yellow gold push/pull crown
Patek Philippe Calatrava cross fold-over buckle
Half-hunter snap down exhibition sapphire display case back and second solid 18K yellow gold case back
Solid three-body case, downturned lugs, and stepped bezel are polished.
Movement stamped with Poinçons de Genève seal, rhodium-plated, fausses côtes decoration, straight-line lever escapement, monometallic Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber device, a mobile stud bearer, self-compensating free-sprung flat balance spring, 22K gold micro-rotor mounted on ball bearings.
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)
Discontinued, collector’s item
Complete (with winding box and papers dated 1986)