The Rolex GMT-Master, a watch synonymous with aviation and global travel, boasts a rich history and a complex lineage of models. Identifying a specific GMT-Master, whether you're a seasoned collector or a prospective buyer, requires a keen eye for detail and a thorough understanding of its evolution. This article will serve as a comprehensive guide to identifying your Rolex GMT-Master, covering key features, model variations, and resources to help you pinpoint its age and value. We'll explore the intricacies of case references, serial numbers, and the various iterations of this iconic timepiece.
Understanding Rolex GMT-Master Model Numbers & References:
The Rolex GMT-Master's model number is a crucial piece of information for identification. Different model numbers indicate different generations, case sizes, and features. The most common model numbers you'll encounter are:
* GMT-Master (Ref. 6542, 1675, 16750, 16700): These represent the earlier generations of the GMT-Master, characterized by their relatively smaller case sizes and unique design features. The Ref. 6542, for example, is a highly sought-after collector's piece due to its rarity and historical significance. The Ref. 1675, with its acrylic crystal and often-lumed bezel, is another classic. Subsequent models like the 16750 and 16700 introduced refinements, such as sapphire crystals and improved movements.
* GMT-Master II (Ref. 16710, 16710, 116710LN, 116710BLNR, 126710BLRO, 126711CHNR, etc.): The GMT-Master II, introduced later, features a crucial difference: an independently adjustable 24-hour hand, allowing for the setting of a third time zone. This line features a wider array of models, including those with ceramic bezels (Cerachrom) and various bezel insert colors (Pepsi, Coke, Batman, Root Beer). The reference numbers reflect these variations, with the last digits often denoting bezel color or material. For example, the 116710LN features a black ceramic bezel, while the 116710BLNR (“Batman”) has a blue and black ceramic bezel. The newer generation (1267xx) often incorporates the updated Caliber 3285 movement.
Deciphering Rolex Serial Numbers:
The serial number, found between the lugs on the case, is essential for dating your Rolex GMT-Master. While Rolex doesn't publicly release a complete, readily available database of serial numbers and production years, numerous reliable third-party resources exist, such as the one mentioned in the prompt, offering updated databases to help correlate serial numbers with approximate manufacturing years. These databases are regularly updated, so it's crucial to use a current resource for the most accurate dating. Keep in mind that these are estimates, and slight variations in production dates can occur.
Rolex GMT-Master Identification: Visual Clues:
Beyond model numbers and serial numbers, several visual clues can aid in identification:
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