The iconic Rolex crown, a symbol of prestige and precision, can sometimes present unexpected challenges. One common concern, particularly among owners of vintage or less frequently worn models, is a watch that refuses to start even after winding. This article delves into the reasons behind this frustrating issue, addressing the specific scenario of a Rolex that requires 20 full winds to initiate, and exploring the broader context of Rolex winding mechanisms, potential problems, and the importance of proper maintenance.
The experience of a Rolex not starting immediately after winding, requiring a significant number of rotations before springing to life, is a common issue that can arise from several factors. The advice received – to wind the watch fully 20 times, set the time, and observe its function – highlights a crucial aspect of automatic and manual winding Rolex movements. Let's break down the possible causes and solutions.
Understanding Rolex Winding Mechanisms:
Before delving into troubleshooting, it's essential to understand the two primary winding systems employed by Rolex: manual winding and automatic (self-winding).
* Manual Winding: In manual-winding Rolex watches, the mainspring is wound directly by turning the crown. The mainspring stores energy, which powers the watch's movement. Insufficient winding leads to a lack of energy, preventing the watch from starting.
* Automatic (Self-Winding): Automatic Rolex watches utilize a rotor that winds the mainspring as the wearer's wrist moves. However, even automatic movements benefit from occasional manual winding, particularly if the watch hasn't been worn for a while or hasn't accumulated sufficient movement to fully wind the mainspring.
Why My Rolex Takes So Long to Start After Winding:
The advice to wind the watch 20 times before expecting it to start suggests the mainspring may not be fully wound after a standard number of turns. This could be due to several reasons:
* Low Power Reserve: The power reserve of a Rolex watch, the amount of time it runs on a full wind, varies depending on the model and movement. If the watch hasn't been wound for an extended period, the mainspring might be depleted, requiring more winds than usual to reach the threshold for starting. This is particularly true for older models or those with lower power reserves.
* Mainspring Deterioration: Over time, the mainspring, a delicate component responsible for storing energy, can weaken or lose its elasticity. A weakened mainspring may require more winding to achieve the necessary energy to start the watch, and may not hold a full charge for its designed power reserve. This is a common issue with older watches and requires professional attention.
* Lubrication Issues: Insufficient or improperly applied lubrication can increase friction within the movement. This friction can impede the transfer of energy from the mainspring to the escapement, making it harder for the watch to start, even with a fully wound mainspring. This is a common reason for a watch requiring a significant number of winds.
* Winding Stem Issues: The winding stem, which connects the crown to the mainspring, can become worn or damaged. This can affect the efficiency of winding, making it difficult to fully wind the mainspring. A damaged winding stem may require replacement by a qualified watchmaker.
* Other Movement Complications: In more complex Rolex movements, issues with other components, such as the escape wheel, lever, or balance wheel, can affect the watch's ability to start. These issues often require professional diagnosis and repair.
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