Fine and unusual Patek Philippe 18K gold reference 3565 automatic calendar vintage wrist watch with original adjustable bracelet circa 1962.Gold dial with black numerals and black hands. Original Patek crown.Adjustable mesh bracelet with a maximum length of 9 inches overall.37 jewel 8 adjustment movement with 18K gold rotor and two Geneva seals.Patek watches with adjustable gold bands are very scarce.