model case Oyster, 40 mm,
OystersteelOyster architecture monobloc middle case, screw back case, crown
Diameter 40 mm
Material: Oystersteel
Bezel: Two-way rotation, 24-hour graduation Cerachrom bezel insert in green/black ceramic, numerals and graduations
Crown screw type, triplock (triple sealed structure)
Crystal anti-scratch sapphire with cyclop lens on date display
Water resistance: 100 m / 330 feet water resistant
Movement Perpetual, mechanical, self-winding, GMT function
Calibre 3285, manufactured entirely in-house by Rolex
precision
Day difference - 2~+2 seconds (after casing)
function
Hour hand, minute hand, second hand. 24-hour display. 2nd time zone display, quick setting with independent hour hand. Instantly changing date display. Accurate time setting with second hand stop function
Transducer
Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
Winding
Bidirectional automatic winding with Perpetual rotor
Power reserve
Approx. 70 hours