Rolex GMT‑Master II 40 mm Ref# M126710GRNR‑0003

🔹 Overview
The Rolex GMT‑Master II 40 mm Ref. M126710GRNR‑0003 is a modern traveler’s watch that blends refined aesthetics with exceptional functionality. Crafted in Oystersteel, it features a striking black and grey Cerachrom ceramic bezel insert with engraved numerals, paired with a sleek black dial for optimum legibility. Designed to track multiple time zones simultaneously, this GMT‑Master II is powered by Rolex’s cutting‑edge Calibre 3285, ensuring precision, reliability, and robustness for those constantly on the move.

💎 Key Specifications

• Origin: Switzerland — part of Rolex’s iconic Oyster Perpetual GMT‑Master II line

• Gender: Men’s / Unisex

• Case Diameter: 40 mm Oyster case in corrosion‑resistant Oystersteel

• Case Material: Oystersteel with polished lugs and brushed case sides

• Bezel: Bidirectional rotatable 24‑hour graduated bezel with two‑color black and grey Cerachrom insert in ceramic; numerals and graduations coated in platinum via PVD process

• Dial: Black lacquer dial with Chromalight display, offering long‑lasting blue luminescence

• Hour Markers: Large applied markers in 18 ct white gold, filled with Chromalight

• Bracelet Type: Jubilee bracelet in Oystersteel, five‑piece links with Oysterlock safety clasp and 5 mm Easylink comfort extension

• Glass: Scratch‑resistant sapphire crystal with Cyclops lens over the date window at 3 o’clock

• Water Resistance: Waterproof to 100 m / 330 ft, Triplock triple waterproofness system

⏱️ Movement

• Type: Perpetual, mechanical, self‑winding with GMT functionality

• Caliber: Rolex Calibre 3285 with Chronergy escapement, Parachrom hairspring, and Paraflex shock absorbers

• Certification: Superlative Chronometer, −2/+2 sec/day after casing

• Power Reserve: Approximately 70 hours

• Frequency: 28,800 vph (4 Hz)

• Jewels: 31

• Functions:

  • Hours, minutes, seconds

  • 24‑hour hand for second time zone

  • Independently adjustable local hour hand

  • Instantaneous date with rapid setting

  • Stop‑seconds for precise time setting

✅ Highlight Summary
The Rolex GMT‑Master II Ref. M126710GRNR‑0003 offers contemporary style and professional‑grade travel functionality. Its black and grey ceramic bezel is understated yet distinctive, while the Jubilee bracelet ensures day‑long comfort. With the high‑performance Calibre 3285, this watch delivers 70 hours of power reserve, enhanced resistance to shocks and magnetism, and precision within ±2 seconds per day. Whether crossing continents or navigating daily schedules, it’s a perfect fusion of Rolex’s technical mastery and modern elegance.