The Rolex GMT Master II, a coveted timepiece known for its iconic Pepsi bezel and exceptional functionality, is a significant investment. Therefore, any unusual sounds emanating from within the watch can understandably cause concern. Recently, a 2019 GMT Master II Pepsi acquired from a grey dealer prompted a question about an internal sound heard when unscrewing the crown. This isn't an isolated incident, as numerous online forums and Reddit threads reveal similar experiences with various Rolex GMT Master II models, including reports of squeaks, clicks, rattles, and other noises. This article will delve into the potential causes of these unusual sounds, explore troubleshooting steps, and discuss the importance of professional servicing when dealing with a high-end timepiece like the Rolex GMT Master II.
The initial report of a sound when unscrewing the crown hints at a potential issue within the crown and stem assembly. This mechanism is responsible for setting the time, date, and winding the watch. A gritty or scraping sound could indicate wear, debris, or a lubrication issue within the stem. Conversely, a clicking sound might suggest a problem with the mechanism itself, perhaps a worn or damaged part. It's crucial to remember that even subtle noises can indicate a developing problem that, if left unaddressed, could lead to more significant complications down the line.
Let's explore some of the common issues highlighted in online discussions, categorized for clarity:
I. GMT Master II (Squeak When Shaken):
The most frequently reported issue seems to be a squeaking sound, often triggered by shaking the watch. This squeak often suggests a lubrication problem. The complex internal mechanisms of a GMT Master II involve numerous moving parts, all requiring precise lubrication for smooth operation. Over time, the lubricant can dry out or become contaminated, leading to friction and squeaking. The location of the squeak can provide clues. A squeak originating from the crown area points towards the crown and stem assembly, while a squeak from the bezel suggests a problem with the bezel's rotating mechanism. A more generalized squeak could indicate a problem with the movement itself.
II. Something Loose Inside My Explorer II (and similar experiences with GMT Master II):
Reports of a "something loose" feeling or sound within the watch are also common. This could stem from several potential causes. A loose part, such as a small screw or a component within the movement, can rattle when the watch is shaken or moved. This is a serious concern, as a loose part could interfere with the movement's functionality, potentially causing damage. Another possibility is a problem with the rotor, the oscillating weight that automatically winds the watch. If the rotor is loose or improperly seated, it can generate a rattling sound.
III. GMT Master II Pepsi Noise Issues (and other variations):
The specific model, such as the Pepsi bezel variation, doesn't inherently determine the type of noise. However, the age and usage of the watch play a significant role. Older watches are naturally more prone to wear and tear, increasing the likelihood of lubrication issues or loose components. Similarly, a watch subjected to significant impacts or shocks is more susceptible to internal damage. The Pepsi bezel, while aesthetically striking, doesn't intrinsically contribute to noise problems unless there's a malfunction within its rotating mechanism.
IV. GMT Master II Making Noise (Reddit Discussions):
Reddit threads dedicated to Rolex watches frequently feature discussions about noise issues. These threads offer valuable insights, showcasing the diversity of sounds and potential causes. Common themes include:
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