Case
Case Size: 40 mm diameter
Case Material: Oystersteel (904L stainless steel)
Case Thickness: ~11.9 mm
Water Resistance: 100 meters / 330 feet
Crown: Screw-down Triplock winding crown with crown guards
Caseback: Solid, screw-down
Bezel
Type: Bidirectional rotatable 24-hour graduated bezel
Material: Black and grey Cerachrom ceramic insert with platinum-coated numerals and graduations
Crystal
Scratch-resistant sapphire
Cyclops magnifying lens over the date
Movement
Calibre: Rolex Calibre 3285
Type: Self-winding mechanical GMT movement with Perpetual rotor
Frequency: 28,800 vibrations per hour (4 Hz)
Jewels: 31
Power Reserve: Approximately 70 hours
Functions:
Hours, minutes, seconds
24-hour GMT hand (second time zone)
Independent rapid-setting local hour hand
Instantaneous date at 3 o’clock
Stop-seconds for precise time setting
Oscillator / Balance
Hairspring: Paramagnetic blue Parachrom hairspring
Escapement: Chronergy escapement
Balance Wheel: Variable inertia balance with Microstella regulation
Shock Protection: Paraflex shock absorbers
Dial
Color: Black lacquer dial
Hour Markers: Applied 18 ct white gold hour markers with Chromalight luminescence (blue glow)
Hands:
Mercedes hour hand and minute hand in white gold
Green 24-hour GMT hand
Luminous central seconds hand
Bracelet
Options:
Oyster bracelet (three-link)
Jubilee bracelet (five-link)
Material: Oystersteel
Clasp: Oysterlock folding safety clasp
Extension: Easylink 5 mm comfort extension link
Certification
Superlative Chronometer (COSC + Rolex certification after casing)
Accuracy: −2 / +2 seconds per day
Rolex International Warranty: 5 years




