🔹 Overview
The RL GMT‑Master II 40 mm Ref. 126713GRNR‑0001 combines sport utility with luxury. Crafted in Yellow Rolesor (Oystersteel + 18 ct yellow gold), it features a black dial, a two-tone grey-and-black Cerachrom bezel, and a Jubilee bracelet. Designed for globetrotters, it elegantly merges dual-time functionality with refined style, making it both a practical tool and a statement of prestige.

💎 Key Specifications
Origin: Switzerland
Gender: Men’s / Unisex
Case Diameter: 40 mm (Oyster architecture in Oystersteel and yellow gold)
Case Material: Yellow Rolesor (Oystersteel + 18 ct yellow gold)
Bezel: Bidirectional 24‑hour graduated Cerachrom (grey & black) with platinum-coated numerals
Dial: Black with Chromalight lume
Hour Markers: Applied shapes & Mercedes-style hands with Chromalight
Bracelet: Jubilee bracelet in Yellow Rolesor; five-piece links; Oysterlock clasp with Easylink ~5 mm extension
Glass: Scratch-resistant sapphire with Cyclops lens
Water Resistance: 100 m / 330 ft; Triplock system

⏱️ Movement
Type: Perpetual, mechanical, self-winding with GMT
Caliber: RL Calibre 3285 (in-house)
Features: Parachrom hairspring, Paraflex shock absorbers
Power Reserve: ~70 hours
Functions: Central hours, minutes, seconds; GMT hand for second time zone; independent rapid-setting “jumping hour” for local time; instantaneous date at 3 o’clock; stop-seconds

✅ Conclusion
The RL GMT‑Master II Ref. 126713GRNR‑0001 elegantly fuses RL’s functional heritage with luxury aesthetics. Its Rolesor case and bi-color Cerachrom bezel allow dual-time tracking with style. Powered by Calibre 3285 with ~70 hours of power reserve and chronometer precision, and secured by a Jubilee bracelet with Oysterlock and Easylink, this watch is a perfect companion for international adventurers and collectors seeking both functionality and prestige.