SPECIFICATIONS

Brand: Patek Philippe
Model: Vintage
Reference Number: 3729/1J
Movement: Manual winding
Condition: Very good
Gender: Men’s
Time Period: 1970s-1980s
Box: No
Papers: Extract from the Patek Philippe Archives
 

THE CALIBER

Caliber: 215
Jewels: 18

THE CASE

Case Material: 18K yellow gold
Case Diameter: 33 x 31 mm
Thickness: 6 mm
Waterproof: -
Bezel Material: Fixed stepped 18K yellow gold
Glass: Mineral Crystal
Caseback: Solid
Dial: Onyx 
Dial Numerals: No numerals, no markers 

THE BRACELET / STRAP

Bracelet Material: 18K yellow gold
Buckle: Hidden fold-over
Buckle Material: 18K yellow gold 

THE FUNCTIONS

Hours, minutes, 44-hour power reserve

FURTHER READING

Octagonal-shaped two-body case, canted corners, hooded lugs, and integrated 18k gold Patek Philippe bracelet are polished
18K yellow gold dauphine-shaped hands
18K yellow gold solid case back, snap-on back
18k yellow gold recessed knurled push/pull crown 
The rare Onyx dial is in perfect condition
Crisp hallmarks on the back of the case
Patek Philippe signature at 12 o'clock
The caliber 215 manual winding movement is stamped with the Seal of Geneva quality mark. It is rhodium-plated, with fausses côtes decoration, and constructed with a straight-line lever escapement, a Gyromax balance adjusted to heat, cold, isochronism, and 5 positions, a shock absorber, and Spiromax balance spring.
This mechanism oscillates at the frequency of 28,800 vph (4 Hz).
Incomplete (no box, extract from the Patek Philippe)