PATEK PHILIPPE AUTOMATIC, 18K YELLOW GOLD, 3601-1 MOD.

Movement is the automatic winding Patek Philippe Caliber 28 255C with 36 jewels, Adjusted to 5 positions and heat/cold, and stamped with the Geneva Seal.
The movement features a free-sprung balance and an 18k rotor segment for increased winding efficiency.

MEASURES: case diameter is 33mm, not including original Crown; 34mm wide including Crown.

ESTIMATED AGE: CIRCA 1975 (datation based on serial number).

GENERAL CONDITIONS: very good+ (please, refer to pictures).
 
Patek Philippe caliber 28-255C
 
Brand:
Patek Philippe
Reference:
28-255C
Base:
Jaeger-LeCoultre 920
Movement:
Automatic
Display:
Analog
Diameter:
28.00
Jewels:
40
Reserve:
38
Frequency:
19800
Date:
Date
Hands:
Hours, Minutes