The Rolex GMT-Master’s “Coke” bezel, a beloved two-tone red and black combination, has a storied history spanning three material eras. Its iconic status within the watch world is undeniable, a testament to its enduring design and the rich history it embodies. The 2018 iteration of the Coke bezel, specifically found on the GMT-Master II reference 126710BLRO, marked a significant moment in this history, representing a culmination of Rolex’s advancements in materials science and manufacturing techniques. This article will delve deep into the world of the Rolex Coke bezel, focusing specifically on the 2018 model, comparing it to its predecessors and exploring the nuances of genuine, aftermarket, and authentic bezels. We will also touch upon the broader context of Rolex bezels, including the 1675, Pepsi variations, and the crucial role of the bezel insert.
The Evolution of the Coke Bezel: From Bakelite to Cerachrom
The journey of the Coke bezel is a fascinating one, reflecting Rolex's continuous pursuit of innovation and durability. The earliest GMT-Master models, primarily the reference 1675, featured Bakelite bezels. Bakelite, a pioneering plastic, was lightweight and relatively inexpensive, but it suffered from several drawbacks. Its susceptibility to fading and cracking under UV exposure meant that the vibrant red and black hues of the Coke bezel would eventually degrade, leading to significant discoloration over time. This characteristic, ironically, has become part of the charm of vintage 1675 Coke bezels, with faded examples commanding significant collector interest.
The next phase saw the introduction of aluminum bezels. While more durable than Bakelite, aluminum bezels still proved prone to scratches and abrasions, further impacting the aesthetic appeal of the watch over time. The color saturation also wasn’t as consistently vibrant as later iterations. Despite these limitations, aluminum Coke bezels remain highly sought after by collectors, particularly examples in excellent condition showing minimal signs of wear. The transition to aluminum represented a step up in terms of durability and longevity, yet still fell short of the ultimate goal of a virtually indestructible bezel.
The arrival of the Cerachrom bezel in 2018, as seen on the reference 126710BLRO, marked a revolutionary leap forward. Cerachrom, a proprietary ceramic material developed by Rolex, boasts exceptional scratch resistance, UV resistance, and color stability. This means the vibrant red and black colors of the Coke bezel remain true and consistent, even after years of wear. The 2018 model’s Cerachrom bezel is not just aesthetically superior; it is also significantly more durable than its Bakelite and aluminum predecessors. This longevity is a key selling point for modern Rolex GMT-Master II owners. The incredibly smooth rotation and precise click mechanism are further hallmarks of the Cerachrom bezel.
Genuine Rolex Bezel vs. Aftermarket and Authentic Bezels
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