Rolex GMT-Master II Steel 126710 BLNR
| CATEGORY | Oyster Perpetual Professional |
| Certification | Superlative Chronometer (COSC + Rolex certification after casing), international five-year guarantee |
| Case | Oyster (monobloc middle case, screw-down case back and winding crown) |
| Safety | Integral crown guard |
| Diameter | 40mm |
| Material | Oystersteel |
| Middle Case | Oystersteel, satin finish with polished sides |
| Bezel | Oystersteel, bidirectional rotatable 24-hour graduated two-colour Cerachrom insert in blue and black ceramic; moulded, recessed numerals and graduations coated with platinum via PVD (Physical Vapour Deposition) |
| Case back | Solid, screw down with fine fluting |
| Winding Crown | Screw-down; Triplock triple waterproofness system |
| Crystal | Scratch-resistant sapphire Cyclops lens over the date with double anti-reflective coating |
| Waterproofness | 100 metres (330 feet) |
| Movement | |
| Calibre | 3285, Manufacture Rolex Mechanical movement with bidirectional self-winding via Perpetual rotor |
| Precision | -2/+2 sec./day, after casing |
| Functions | Centre hour, minute and seconds hands Local time via conventional hands, independent rapid-setting of the hour hand Reference time via additional 24-hour hand Instantaneous date at 3 o’clock, secure setting via the hour hand Stop-seconds for exact time setting |
| Oscillator | Frequency: 28,800 beats/hour (4Hz) Paramagnetic blue Parachrom hairspring Rolex overcoil Large balance wheel with variable inertia High-precision regulating via four gold Microstella nuts Traversing balance bridge High-performance Paraflex shock absorbers |
| Escapement | Chronergy with optimized energy efficiency Paramagnetic nickel-phosphorus pallet fork and escape wheel |
| Jewelling | 31 rubies |
| Power Reserve | Approximately 70 hours |
| Dial | |
| Colour | Black lacquer |
| Hour Markers | 18 ct white gold, highly legible Chromalight (long-lasting luminescence, blue glow) |
| Hands | 18 ct white gold, blue lacquer 24-hour hand, highly legible Chromalight (long-lasting luminescence, blue glow) |
| Bracelet | |
| Type | Jubilee, five-piece solid links |
| Material | Oystersteel, polished centre links, satin-finished outer links with polished edges |
| Clasp | Oysterlock folding safety clasp Easylink 5mm comfort extension link |
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