REFERENCE: 126506MODEL CASE: Oyster, 40 mm, platinumBEZEL: Chestnut brown monobloc Cerachrom bezel in ceramic with moulded numerals and graduationsWATER-RESISTANCE: Waterproof to 100 metres / 330 feetMOVEMENT: Perpetual, mechanical chronograph, self-windingCALIBRE: 4131POWER RESERVE: Approximately 7..