Recently I bought a used (circa 2007) Omega Speedmaster Professional (3570500), and unfortunately, the chronograph function isn't working. This article details my experience, explores potential causes for the malfunction, and offers advice for others facing similar issues with their Omega Speedmaster chronographs. It also touches upon relevant aspects of the Speedmaster market, including pricing and available models.
The Problem: A Silent Chronograph
My newly acquired Omega Speedmaster Professional, a model known for its robust construction and legendary history, has presented a frustrating problem. The chronograph – the very feature that defines this iconic watch – is completely unresponsive. The pushers feel firm enough, but pressing them yields no movement of the chronograph hands. The watch itself keeps accurate time, indicating that the mainspring and escapement are functioning correctly. The issue is specifically isolated to the chronograph mechanism. This is particularly disappointing given the watch's age and the expectation of reliability associated with the Omega Speedmaster name.
Potential Causes: A Diagnostic Investigation
Several factors could be contributing to the malfunction of my Speedmaster's chronograph. Before embarking on any repairs, a systematic investigation is crucial. This involves exploring the following possibilities:
* Low Power Reserve: While the watch keeps time, a low power reserve could affect the chronograph's operation. The chronograph mechanism requires a significant amount of energy. However, given that the main timekeeping functions are operational, this is less likely to be the sole cause.
* Mechanical Issues within the Chronograph Mechanism: This is the most likely culprit. The chronograph mechanism is complex, comprising numerous levers, wheels, and springs. Over time, these components can wear down, become misaligned, or break. Dust, debris, or dried lubricant can also interfere with their smooth operation. Potential issues include:
* Broken or Worn Parts: A broken lever, spring, or wheel within the chronograph mechanism would prevent its operation.
* Worn Pivots: The pivots, small axles on which components rotate, can wear over time, leading to friction and ultimately, failure.
* Misalignment: A slight misalignment of the chronograph components can disrupt the entire mechanism.
* Dried Lubricant: Dried lubricant can increase friction and hinder the movement of the chronograph parts.
* Column Wheel Issues: The column wheel is a crucial component of the chronograph mechanism, responsible for coordinating the starting, stopping, and resetting of the chronograph hands. Problems with the column wheel are a common cause of chronograph malfunctions.
* Cam Issues: The cam, a rotating component that interacts with other parts of the chronograph mechanism, can become worn or damaged, leading to malfunction.
* Previous Repairs or Mishandling: Previous repairs, if not carried out correctly, could have damaged the chronograph mechanism. Similarly, mishandling the watch, such as subjecting it to strong impacts, could have caused internal damage.
Troubleshooting and Repair Options:
Given the complexity of the chronograph mechanism, attempting DIY repairs is strongly discouraged. Improper handling could cause further damage, potentially increasing the cost of repair significantly. My next step involves seeking professional help from a qualified watchmaker, preferably one experienced with Omega Speedmaster watches. A skilled watchmaker can accurately diagnose the problem and perform the necessary repairs.
The repair process likely involves:
1. Disassembly: The watch will be carefully disassembled to access the chronograph mechanism.
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