Retaile by Gübelin: Ellipse, Reference 3648 | A white gold wristwatch | Circa 1973 Dial: tropical blue sunburst Calibre: cal. 23-300 manual winding, 18 jewels Movement number: 1'224'723 Case: 18k white gold, snap-on case back Case number: 2'740'001 Closure: 18k white gold Patek Philippe buckle Size: 27 x 32 mm (width x length) Signed: case, dial and movement Box: no Papers: no Accessories: associated travel pouch Please note the leather strap derived from endangered species is for display purposes only and is not sold with the watch. The watch will be shipped with a Sotheby’s branded calf leather strap.