Case material: Yellow gold; Charge: Manual; Conditions: Used Presentation condition : With dealer guarantee ; Model: Constellation Price on request Gmtbroker Reference: 1431 Excellent preowned mens Patek Philippe vintage wristwatch features a square 18k yellow gold case with fancy lugs. Circa 1950. 18kJ movement. Great original dial. Patek black exotic strap with an original Patek 18k yellow gold tang buckle.