Reference 3620/1 Ellipse | A white gold and diamond-set bracelet watch, Made in 1972 Dial: blue, diamond-set Caliber: cal. 175 mechanical, 18 jewels Movement number: 1’171’135 Case: 18k white gold and diamond set, snap-on case back Case number: 2’752’972 Closure: 18k white gold Patek Philippe bracelet with folding clasp Size: 36 x 30.5 mm, bracelet circumference approximately 165 mm Signed: case, dial and movement Box: no Papers: no Accessories: Patek Philippe facsimile Extract from the Archives confirming Date of Manufacture in 1972 and Date of Sale on September 24th, 1976 and travel pouch