MODEL: Day-Date
MODEL NUMBER: 128239-0023
MODEL CASE : Oyster, 36 mm, white gold
OYSTER ARCHITECTURE : Monobloc middle case, screw-down case back and winding crown
DIAMETER : 36 mm
MATERIAL : 18 ct white gold
BEZEL : Fluted
WINDING CROWN : Screw-down, Twinlock double waterproofness system
CRYSTAL : Scratch-resistant sapphire, Cyclops lens over the date
WATER RESISTANCE : Waterproof to 100 metres / 330 feet
MOVEMENT : Perpetual, mechanical, self-winding
CALIBRE : 3255, Manufacture Rolex
PRECISION : -2/+2 sec/day, after casing
FUNCTIONS : Centre hour, minute and seconds hands Instantaneous day and date in apertures, unrestricted rapid-setting. Stop-seconds for precise time setting
OSCILLATOR : Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
WINDING : Bidirectional self-winding via Perpetual rotor
POWER RESERVE : Approximately 70 hours
BRACELET : President, semi-circular three-piece links
BRACELET MATERIAL : 18 ct white gold
CLASP : Concealed folding Crownclasp
DIAL : Blue ombré set with diamonds
GEM SETTING : Diamonds in 18 ct gold settings and baguette-cut diamonds at 6 and 9 o'clock
CERTIFICATION : Superlative Chronometer (COSC + Rolex certification after casing)
