Oyster, 44 mm, Oystersteel.
Monobloc middle case.
screw-down case back and winding crown.
Rolex ringlock system case architecture with Helium escape valve.
Unidirectional rotatable 60-minute graduated.
Scratch-resistant cerachrom insert in ceramic.
Numerals and graduations coated in platinum.
Screw-down.
Triplock triple waterproofness system.
Domed scratch-resistant sapphire crystal, 5.5 mm-thick.
Waterproof to 3,900 metres / 12,800 feet.
Helium escape valve.
Perpetual, mechanical, self-winding movement.
Caliber 3235, manufacture Rolex.
-2/+2 sec/day, after casing precision.
Functions:
Centre hour, minute and seconds hands.
Instantaneous date with rapid setting.
Stop-seconds for precise time setting
Paramagnetic blue parachrom hairspring.
High-performance paraflex shock absorbers.
Bidirectional self-winding via Perpetual rotor.
Approximately 70 hours of power reserve
Oyster, flat three-piece links bracelet.
Folding oysterlock safety clasp with Rolex glidelock extension system.
Fliplock extension link.
D-blue dial.
Highly legible chromalight display with long-lasting blue luminescence.
Superlative chronometer (COSC + Rolex certification after casing).