The Rolex GMT-Master II is a legend, a watch synonymous with travel, adventure, and unparalleled horological excellence. Within the GMT-Master II family, two models stand out for their striking bicolor bezels: the reference 116710BLNR (often affectionately nicknamed the "Batman") and its successor, the reference 126710BLNR. While both share the instantly recognizable blue and black Cerachrom bezel, a closer examination reveals significant differences that cater to different preferences and needs. This in-depth comparison will dissect the key distinctions between these two iconic timepieces, helping you determine which GMT-Master II reigns supreme for you.
The "Batman" Legacy: Rolex 116710BLNR
The reference 116710BLNR, introduced in 2013, marked a significant shift in the GMT-Master II lineup. Its striking blue and black Cerachrom bezel, representing the "bleu noir" (blue black) of its designation, instantly captured the attention of collectors and enthusiasts. This wasn't just a cosmetic change; it signified Rolex's commitment to pushing the boundaries of material science and watchmaking. The Cerachrom bezel, made from Rolex's proprietary ceramic alloy, offered superior scratch resistance and unwavering color fidelity compared to its aluminum predecessors.
The 116710BLNR housed the caliber 3186, a self-winding mechanical movement boasting a 48-hour power reserve. This movement, a workhorse of precision and reliability, is renowned for its robustness and accuracy. The watch itself featured a 40mm Oyster case, crafted from 904L stainless steel, known for its exceptional corrosion resistance and lustrous finish. The Oyster bracelet, with its comfortable and secure clasp, further enhanced the watch's overall appeal. The overall aesthetic was a perfect blend of classic Rolex design and modern innovation, making the "Batman" an instant classic.
A New Era of Precision: Rolex 126710BLNR
The reference 126710BLNR, released in 2019, represents a significant evolution of the GMT-Master II design. While retaining the iconic blue and black Cerachrom bezel, the 126710BLNR incorporated several key upgrades that elevated its performance and functionality.
Most notably, the 126710BLNR features the caliber 3285, a next-generation movement that boasts a remarkable 70-hour power reserve – a significant improvement over the 48-hour reserve of the caliber 3186. This extended power reserve offers greater convenience for those who frequently rotate their watches or travel across time zones. The caliber 3285 also incorporates Rolex's Chronergy escapement, a silicon escape wheel that enhances efficiency and resilience against magnetic fields. This contributes to the watch's superior accuracy and long-term reliability.
Beyond the movement, the 126710BLNR also features subtle aesthetic refinements. The bracelet has been updated with Rolex's Glidelock clasp, allowing for tool-free adjustment of the bracelet length in approximately 2mm increments. This feature is incredibly useful for adapting the watch to different wrist sizes and conditions, especially when transitioning between wearing a shirt and a jacket. Furthermore, the updated bracelet offers a more comfortable and ergonomic fit.
A Detailed Comparison: Key Differences and Similarities
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