REFERENCE: 278274 MODEL CASE: Oyster, 31 mm, Oystersteel and white gold BEZEL: Fluted WATER RESISTANCE: Waterproof to 100 metres / 330 feet MOVEMENT: Perpetual, mechanical, self-winding CALIBRE: 2236, Manufacture Rolex POWER RESERVE: Approximately 55 hours BRACELET: Jubilee, five-piece links DIAL: Mint green