Rolex Day-date 40MM Everose Gold Eisenkiesel Diamond-set bezel and a President bracelet (Ref# 228345RBR)
The Oyster Perpetual Day-Date 40 in 18 ct Everose gold, with an Eisenkiesel, diamond-set dial, diamond-set bezel and a President bracelet. Its dial features 10 baguette-cut diamonds. The Day-Date was the first watch to indicate the day of the week spelt out in full when it was first presented in 1956.
MODEL CASE : Oyster, 40 mm, Everose gold and diamonds
OYSTER ARCHITECTURE : Monobloc middle case, screw-down case back and winding crown
DIAMETER : 40 mm
MATERIAL : 18 ct Everose gold
BEZEL : Set with diamonds
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 Everose gold
CLASP : Concealed folding Crownclasp
