Rolex GMT-Master II 126713GRNR in Yellow Rolesor, Black Ceramic Bezel

A Coveted Asset for the Modern Collector

Rolex’s mastery of materials culminates in the GMT-Master II’s pioneering single-piece, two-color ceramic bezel—a breakthrough that redefined what luxury tool watches could be. In this Rolesor 126713GRNR, the black-and-grey Cerachrom insert underscores both technical prowess and restrained elegance, making it a standout for collectors who value innovation with enduring desirability.

The Foundations of Lasting Value

• Reference Number: 126713GRNR
• Bi-Colour Cerachrom Bezel Insert: Black/Grey GRNR in a single-piece ceramic ring engineered for extreme hardness, colour stability, and scratch resistance
• Calibre and its Functions: Manufacture Rolex Calibre 3285 with independent local-hour setting, 24-hour GMT hand, date, Chronergy escapement, Paraflex shock absorbers, 70-hour power reserve; Superlative Chronometer (−2/+2 sec/day)
• Case Material (Oystersteel/Gold): 40 mm Oyster case in Rolesor—Oystersteel with 18k yellow gold—featuring a screw-down crown and robust construction
• Bracelet: Rolesor bracelet in 18k yellow gold and stainless steel with secure clasp and comfort adjustment
• Condition and Scarcity: Condition: Good; a current-generation reference with sustained demand; includes Box, Warranty, Watch Case, and Manual

The Intelligent Collector’s Choice

This GMT-Master II fuses Rolex’s most advanced engineering with precious-metal gravitas—an investment-grade modern classic that wears its innovation on its bezel. For the collector who prizes technical substance as much as aesthetic restraint, the 126713GRNR is a confident acquisition with staying power in any curated portfolio.