The title itself presents a fascinating conundrum: a Rolex President, known for its prestigious Datejust styling, seemingly displaying the inscription "Explorer" under the crystal. This immediately suggests a significant error, likely involving a mismatched case and dial or a highly unusual service/repair situation. However, the provided context shifts the focus to a separate, though related, issue: scratches under the crystal of what is *actually* an Explorer 40mm, and the speculation that anti-reflective (AR) coating is the culprit. Let's address both the titular mystery and the core problem of the apparent scratches.
The "President Says Explorer" Enigma:
The core of the title's question – a Rolex President displaying "Explorer" under the crystal – points towards a significant manufacturing or servicing error. Rolex President models are identifiable by their fluted bezels, typically a jubilee bracelet, and of course, the prominent date window on the dial. An Explorer, on the other hand, features a different bezel (usually smooth or, in some models, a graduated bezel), typically a different bracelet (Oyster), and often a simpler dial lacking a date window (though some Explorer models do have a date). The two are visually distinct. Therefore, finding an "Explorer" inscription under the crystal of a supposedly President watch is highly improbable and suggests a significant error in assembly or a serious mislabeling during a service.
Several scenarios could explain this apparent anomaly:
* Dial Mismatch During Service: During a service, a watchmaker could inadvertently install the wrong dial. This is a serious error, especially for a Rolex, and would indicate a failure in quality control at the service center. The "Explorer" inscription might be a part of the incorrectly installed dial.
* Case and Dial Mismatch: A more significant error would involve a mismatched case and dial. It's possible that a President case was paired with an Explorer dial during assembly (either at the factory, though extremely unlikely, or during a repair). This would represent a profound manufacturing oversight.
* Counterfeit or Frankenwatch: In the worst-case scenario, the watch might be a counterfeit or a "Frankenwatch" – a watch assembled from parts of different genuine Rolexes. This is a common practice in the grey market, and the mismatched inscription would be a strong indicator of this possibility.
* Unusual Custom Order (Highly Unlikely): While extremely improbable, it is theoretically possible that a highly unusual custom order could have led to such a configuration. However, such a bespoke modification would be documented and highly unusual.
To resolve this mystery, a thorough examination by a reputable Rolex-authorized service center is crucial. They can authenticate the watch, examine the movement and case markings, and determine the cause of the mismatched inscription.
Scratches Under the Crystal: The AR Coating Suspect
The primary concern raised by the original poster centers around scratches under the crystal of their Explorer 40mm. The suspicion that the anti-reflective (AR) coating is responsible is a valid one. Let's explore this in detail, examining both the presence and potential issues with AR coating on Rolex watches.
Rolex AR Coating Reviews:
Rolex's approach to AR coating has evolved over time. While they don't explicitly advertise AR coating on all their models, many modern Rolex watches, including some Explorer models, do feature an AR coating on the underside of the sapphire crystal. This coating helps to reduce glare and reflections, improving readability, particularly in bright light. However, this coating is notoriously delicate.
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