ROLEX DAYTONA COSMOGRAPH STEEL WHITE DIAL SILVER SUB DIALS MODEL 116520

ROLEX DAYTONA COSMOGRAPH STEEL WHITE DIAL SILVER SUBDIALS MODEL# 116520 ROLEX’s SPECIFICATIONS MODEL CASE: Oyster, 40 mm, steel OYSTER ARCHITECTURE: Monobloc middle case, screw-down case back and winding crown DIAMETER: 40 mm MATERIAL: 904L steel BEZEL: Fixed, with engraved tachymetric scale, in 904L steel WINDING CROWN: Screw-down, Triplock triple waterproofness system CRYSTAL: Scratch-resistant sapphire WATER-RESISTANCE: Waterproof to 100 metres / 330 feet MOVEMENT: Perpetual, mechanical, self-winding, regatta chronograph CALIBRE: 4130, Manufacture Rolex FUNCTIONS: Centre hour, minute and seconds hands, small seconds hand at 6 o'clock. Chronograph (centre hand) accurate to within 1/8 of a second, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for precise time setting PRECISION: Officially certified Swiss chronometer (COSC) OSCILLATOR: Paramagnetic blue Parachrom hairspring WINDING: Bidirectional self-winding via Perpetual r