MODEL NUMBER : 116518LN-004
MODEL CASE : Oyster, 40 mm, yellow gold
OYSTER ARCHITECTURE : Monobloc middle case, screw-down case back and winding crown
DIAMETER : 40 mm
MATERIAL : 18 ct yellow 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 : 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 : Oysterflex
BRACELET MATERIAL : Flexible metal blades overmoulded with high-performance elastomer
CLASP : Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
DIAL : White
DETAILS : Dial with snailed small counters
CERTIFICATION : Superlative Chronometer (COSC + Rolex certification after casing)