Datejust 31

Bezel : Domed

Bracelet : Jubilee, five-piece links

Calibre : 2236, Manufacture Rolex

Certification : Superlative Chronometer (COSC + Rolex certification after casing)

Crystal : Scratch-resistant sapphire, Cyclops lens over the date

Dial : Slate

Diameter : 31 mm

Material : Everose Rolesor - combination of Oystersteel and Everose gold

Model Case : Oyster, 31 mm, Oystersteel and Everose gold

Movement : Perpetual, mechanical, self-winding

Power Reserve : Approximately 55 hours

Reference : 278241

Water Resistance : Waterproof to 100 metres / 330 feet

Winding Crown : Screw-down, Twinlock double waterproofness system