MODEL CASE: Oyster, 40 mm, platinum OYSTER ARCHITECTURE: Monobloc middle case, screw-down case back and winding crown DIAMETER: 40 mm MATERIAL: Platinum BEZEL: Chestnut brown monobloc Cerachrom in ceramic with engraved numerals and graduations WINDING CROWN: Screw-down, Triplock triple waterproofness system CRYSTAL: Scratch-resistant sapphire WATER-RESISTANCE: Waterproof to 100 metres / 330 feet MOVEMENT: 4130 Perpetual, mechanical chronograph, self-winding DIAL: Ice blue DETAILS: Dial with snailed small counters CERTIFICATION: Superlative Chronometer (COSC + Rolex certification after casing)