Y PATEK PHILIPPE, TIFFANY & CO. 150 YEARS, REF. 5150AN 18 CARAT GOLD ANNUAL CALENDAR WRIST WATCH WITH MOONPHASE, NO. 4171856, CIRCA 2001Movement: Cal. 315/189, automatic, 35 jewelsCase: 18 carat gold case, hinged snap case back opening to a display case back, stamped with 18 carat gold common control markDial: CreamStrap: Patek Philippe black alligator strap with18 carat gold pin buckleSize: 36mmSigned: Case, dial, movement, strap, buckleAccessories: Patek Philippe box, certificate of origin, information book, adjustment tool, pouch, outer card packaging