Day-Date 40 – M228238-0042

Gender


Men

Model Size


40 mm

Material


18 ct yellow gold

Dial


White

Collection


Day-Date

Reference


228238

Bezel


Fluted

Water-Resistance


Waterproof to 100 metres / 330 feet

Movement


mechanical, Perpetual, self-winding

Caliber


3255, Manufacture Rolex

Power Reserve


Approximately 70 hours

Bracelet


President, semi-circular three-piece links

Certification


Superlative Chronometer (COSC + Rolex certification after casing)

Simple Material


Gold

Spec Oyster Architecture


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

Winding Crown


Screw-down, Twinlock double waterproofness system

Crystal


Cyclops lens over the date, Scratch-resistant sapphire

Precision


-2/+2 sec/day, after casing

Oscillator


Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers

Escapement


Chronergy with optimized energy efficiency

Winding


Bidirectional self-winding via Perpetual rotor

Clasp


Concealed folding Crownclasp

Size


Large size

Dial Color


Light dial

Bracelet Material


18 ct yellow gold

Background-color


Gold

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