MODEL CASE Oyster, 42 mm, yellow gold BEZEL Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale WATER-RESISTANCE Waterproof to 100 metres / 330 feet MOVEMENT Perpetual, mechanical chronograph, self-winding CALIBRE 4130, POWER RESERVE Approximately 72 hours BRACELET Oysterflex DIAL Meteorite and black