Rolex COSMOGRAPH DAYTONA-m116519ln-0025

THIS OYSTER PERPETUAL COSMOGRAPH DAYTONA IN 18 CT WHITE GOLD WITH A BLACK, DIAMOND-SET DIAL AND AN OYSTERFLEX BRACELET, FEATURES A BLACK CERACHROM BEZEL WITH TACHYMETRIC SCALE.

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Reference 116519LN

• MODEL CASE

  

  MODEL CASE

  Oyster, 40 mm, white gold

  OYSTER ARCHITECTURE

  Monobloc middle case, screw-down case back and winding crown

  DIAMETER

  40 mm

  MATERIAL

  18 ct white gold

  BEZEL

  Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale

  WINDING CROWN

  Screw-down, Triplock triple waterproofness system

  CRYSTAL

  Scratch-resistant sapphire

  WATER RESISTANCE

  Waterproof to 100 metres / 330 feet

• MOVEMENT

  MOVEMENT

  Perpetual, mechanical chronograph, self-winding

  CALIBRE

  4130, Manufacture Rolex

  PRECISION

  -2/+2 sec/day, after casing

  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

  OSCILLATOR

  Paramagnetic blue Parachrom hairspring

  WINDING

  Bidirectional self-winding via Perpetual rotor

  POWER RESERVE

  Approximately 72 hours

• BRACELET

  BRACELET

  Oysterflex

  BRACELET MATERIAL

  Flexible metal blades overmoulded with high-performance elastomer

  CLASP

  Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

• DIAL

  DIAL

  Black set with diamonds

  GEM SETTING

  Diamonds in 18 ct gold settings

• CERTIFICATION

  CERTIFICATION

  Superlative Chronometer (COSC + Rolex certification after casing)