ROLEX OYSTER PERPETUAL 31 277200

Model case

Oyster, 31 mm, Oystersteel

Oyster architecture

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

Diameter

31 mm

Material

Oystersteel

Bezel

Domed

Winding crown

Screw-down, Twinlock double waterproofness system

Crystal

Scratch-resistant sapphire

Water resistance

Waterproof to 100 metres / 330 feet