Datejust 31

$50,650

Reference 278288RBR

Model Case Oyster, 31 mm, yellow gold and diamonds

diameter

31 mm

material

18 ct yellow 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

2236, Manufacture Rolex

precision

-2/+2 sec/day, after casing

functions

Centre hour, minute and seconds hands. Instantaneous date with 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 55 hours

bracelet

President, semi-circular three-piece links

bracelet material

18 ct yellow gold

clasp

Concealed folding Crownclasp

dial

Malachite set with diamonds

gem setting

Roman VI and IX in 18 ct gold, set with 24 diamonds

certification

Superlative Chronometer (COSC + Rolex certification after casing)

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* All prices are Rolex’s suggested retail price inclusive of V.A.T. The prices of gem-set models are dependent on market fluctuations and therefore subject to variations. Rolex reserves the right to modify the prices and models on this website at any time.