The Rolex GMT-Master 1675, a legend in its own right, holds a special place in the hearts of watch enthusiasts. Its rugged design, iconic bezel, and rich history make it a highly sought-after collectible. However, the passage of time inevitably takes its toll, and many 1675s require servicing, often necessitating the replacement of the dial. This article delves into the intricacies of Rolex 1675 tritium service dials, exploring their significance, the process of replacement, and the nuances of choosing the right dial for your cherished timepiece. [Click the picture to bring up a larger size image. Click the caption to link into the detailed image gallery.]
Rolex 1675 Service Dial: Understanding the Need for Replacement
The dial is the face of a watch, the canvas upon which the hands tell their story. Over decades, the dial of a Rolex 1675 can suffer from various forms of degradation. Exposure to sunlight, humidity, and general wear and tear can lead to several issues:
* Tritium Luminescence Degradation: Early Rolex 1675s, particularly those produced before the late 1980s, utilized tritium for lume (luminescence). Tritium, a radioactive isotope of hydrogen, emits a soft glow in the dark. However, tritium has a half-life of approximately 12.3 years, meaning its luminosity diminishes over time. This results in faded or completely non-luminescent markers and hands, significantly impacting the watch's functionality and aesthetic appeal. A service dial replacement addresses this issue by installing a new dial with fresh lume, often using modern, non-radioactive alternatives like Super-LumiNova.
* Dial Discoloration: Age and exposure to the elements can cause the dial to discolor. This can manifest as yellowing, browning, or even cracking of the dial's surface. A service dial replacement restores the dial's original color and vibrancy.
* Dial Damage: Scratches, chips, and other physical damage to the dial can occur through accidental impacts or improper handling. A service dial replacement is necessary to restore the dial's pristine condition.
* Corrosion: Moisture ingress can lead to corrosion on the dial, affecting its appearance and potentially causing damage to other components of the watch. A service dial replacement, alongside a thorough service, addresses this issue.
* Maintaining Authenticity (vs. Restoration): It's crucial to distinguish between a service dial replacement and a full restoration. A service dial replacement aims to bring the watch back to its optimal functional state while maintaining its originality as much as possible. A restoration, on the other hand, might involve more extensive modifications, potentially impacting the watch's collector value.
Rolex Service Dial Replacement: A Delicate Procedure
Replacing a Rolex 1675 dial is not a simple task. It requires the expertise of a skilled and experienced watchmaker. The process involves several steps:
1. Disassembly: The watch must be carefully disassembled, removing the crystal, hands, and movement to access the dial.
2. Dial Removal: The old dial is gently removed, taking care not to damage the delicate components surrounding it.
3. Dial Inspection: The watchmaker inspects the movement and other components for any further necessary repairs or replacements.
4. New Dial Installation: The new service dial is carefully installed, ensuring proper alignment and fit.
5. Hand Setting: The hands are reinstalled, ensuring precise alignment and functionality.
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