Rolex Datejust Oystersteel & White Gold – 31 mm

Reference Number
M278274-0018

TECHNICAL SPECIFICATIONS

CASE

Model Case
Oyster, 31 mm, Oystersteel and white gold

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

Diameter
31 mm

Material
White Rolesor – combination of Oystersteel and 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

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
Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers

Winding
Bidirectional self-winding via Perpetual rotor

Power reserve
Approximately 55 hours

BRACELET

Bracelet
Jubilee, five-piece links

Material
Oystersteel

Clasp
Concealed folding Crownclasp

Dial

Dial
Mint green

Details
Highly legible Chromalight display with long-lasting blue luminescence

CERTIFICATION

Certification
Superlative Chronometer (COSC + Rolex certification after casing)