Reference: 4172Date: Circa 1970Movement: 18-jewel manual wind, adjusted to isochronism, heat, cold and 5 positions, No.1263120Dial: Champagne with outer blue surround, black accented gilt baton hour markers, blued steel pointed baton handsCase: Brushed and polished cushion form, snap on back, No.2720206Strap/Bracelet: Black Patek Philippe alligator leatherBuckle/Clasp: Signed 18K gold buckleSigned: Case, dial & movement Size: 24mm