The Rolex Explorer II, particularly the reference 16570, is a highly coveted timepiece known for its rugged durability and exceptional reliability. However, even the most robust watches can experience malfunctions. This article addresses a common issue: a Rolex Explorer II 16570 that won't start properly after winding. Specifically, we'll explore the scenario where the watch initially hesitates or fails to run after winding, but then functions normally after running for a minute or two. We will delve into potential causes, troubleshooting steps, and when professional intervention is necessary.
Understanding the Problem: Intermittent Starting Issues
The phrase "Rolex Explorer II wird nicht mehr an" (German for "Rolex Explorer II no longer starts") points to a frustrating problem. The fact that the watch eventually begins running after a brief period suggests the issue isn't a complete power failure due to a dead mainspring. Instead, it points towards a more nuanced mechanical problem within the movement. This intermittent behavior complicates diagnosis, as it doesn't provide a consistent symptom for observation.
Rolex Watch Troubleshooting: A Systematic Approach
Troubleshooting a mechanical watch requires a methodical approach. Jumping to conclusions can lead to unnecessary repairs or even damage to the delicate internal components. Let's break down a step-by-step process for diagnosing the problem with your Rolex Explorer II 16570:
1. Verify Winding and Power Reserve:
* Proper Winding Technique: Ensure you're winding the crown correctly. Over-winding can damage the mainspring, while under-winding won't provide sufficient power. Consult your Rolex instruction manual or a reputable online resource for the correct winding procedure. The 16570 typically requires a specific number of turns.
* Power Reserve: Even with proper winding, the watch might not start if the power reserve is critically low. Allow the watch to wind fully and rest for a while to allow the mainspring to settle. A fully wound 16570 should have a power reserve of approximately 48 hours.
2. Observe the Seconds Hand:
* Jerky Movement: Does the seconds hand move in jerky bursts or stop completely before eventually smoothing out? This often indicates a problem with the escapement, the mechanism that regulates the release of energy from the mainspring. Lubrication issues or a damaged component within the escapement are common culprits.
* Hesitation at Specific Points: Does the watch hesitate or stop at particular points in its cycle? This can point to a problem with specific gears or pivots within the movement.
3. Environmental Factors:
* Temperature: Extreme temperatures (both hot and cold) can affect the viscosity of the lubricating oil in the movement, leading to starting issues. Allow the watch to acclimatize to a moderate temperature before attempting to wind and start it.
* Magnetic Fields: Strong magnetic fields can interfere with the movement's operation. If the watch has been exposed to a strong magnetic field (e.g., near powerful speakers or industrial equipment), it might need demagnetization.
4. Inspect the Crown and Case:
* Crown Alignment: A misaligned crown can prevent proper winding and time setting. Ensure the crown is securely screwed down and properly aligned.
* Case Damage: Any damage to the case can affect the movement's operation. Check for dents, cracks, or other signs of damage.
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