ROLEX GMT-MASTER II OYSTER PERPETUAL BLACK DIAL REF. 116710LN 24-H BEZEL, SELF-WINDING CAL. 3186

Reference
116710LN

MODEL CASE
Oyster, 40 mm, Oystersteel
OYSTER ARCHITECTURE
Monobloc middle case, screw-down case back and winding crown
DIAMETER
40 mm
MATERIAL
Oystersteel

BEZEL
Bidirectional rotatable 24-hour graduated Cerachrom insert in ceramic

WINDING CROWN
Screw-down, Triplock triple waterproofness system

CRYSTAL
Scratch-resistant sapphire, Cyclops lens over the date
WATER-RESISTANCE
Waterproof to 100 metres / 330 feet

MOVEMENT
Perpetual, mechanical, self-winding, GMT function

CALIBRE
3186, Manufacture Rolex
PRECISION
-2/+2 sec/day, after casing

FUNCTIONS
Centre hour, minute and seconds hands. 24-hour display. Second time zone with independent rapid-setting of the hour hand. Instantaneous date. Stop-seconds for precise time setting

OSCILLATOR
Paramagnetic blue Parachrom hairspring

WINDING
Bidirectional self-winding via Perpetual rotor

POWER RESERVE
Approximately 48 hours

BRACELET
Oyster, flat three-piece links

BRACELET MATERIAL
Oystersteel

CLASP
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

DIAL
Black

CERTIFICATION
Superlative Chronometer (COSC + Rolex certification after casing)