Model case

Oyster, 44 mm, Oystersteel

Oyster architecture

Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock System case architecture with Helium escape valve

Diameter

44 mm

Material

Oystersteel

Bezel

Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in black ceramic, numerals and graduations coated in platinum

Winding crown

Screw-down, Triplock triple waterproofness system

Crystal

Domed, 5.5 mm-thick scratch-resistant sapphire

Water resistance

Waterproof to 3,900 metres / 12,800 feet, helium escape valve