Patek Philippe Gondolo 18K Yellow Gold Onyx Dial Ref. 3733J 1970's

DETAILS
Manufacturer: Patek Philippe
Model: Gondolo
Reference Number: 3633G
Movement: Manual winding
Condition: Mint
Gender: Men’s/Unisex
Time Period: 1976 
Retail / Compare-At Price: n/a collector’s item, very rare
Our Best Price: $10,550 

CALIBER
Movement: -
Caliber: 215
Jewels: 18

CASE
Case Material: 18K gold gold
Case Diameter: 33 x 29 mm
Thickness: 6.5 mm
Waterproof: -
Water Resistance: -
Material Bezel: Fixed ribbed 18K white gold
Glass: Sapphire crystal 
Dial: Lapis Lazuli 
Dial Numerals: No numerals, no markers 

BRACELET / STRAP
Bracelet color: Brown
Bracelet Material: Leather
Clasp: Ardillon
Clasp material: 18K yellow gold 

FUNCTIONS
Hours, minutes

OTHERS
Rectangle-shaped polished ribbed case
18K yellow gold dauphine-shaped hands
18K yellow gold solid case back, snap on back
18k yellow gold knurled push/pull crown set with a cabochon-cut onyx
Extremely rare and in perfect condition onyx dial
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 for heat, cold, isochronism and 5 positions, a shock absorber, and a Spiromax balance spring.
This mechanism oscillates at the frequency of 28,800 vph (4 Hz).
Hallmarks are crisp on the side of the case and on the buckle
Incomplete (no box, with extract from the Patek Philippe on order)