What causes a mechanical watch to stop running?

　　During daily use of a mechanical watch, improper handling can cause it to stop. What are the general causes of a mechanical watch stopping, and how should we deal with them? Below, Xiaoya outlines the common causes and solutions for mechanical watches stopping for your reference.

　　Cause 1 for mechanical watch stopping: Environmental factors

　　The timekeeping accuracy of a mechanical watch can indeed be affected by external environmental conditions, particularly when the mainspring is fully or partially wound, external forces cause oscillation, vibration, or magnetisation, as well as the significant impacts of temperature. Fully automatic mechanical wristwatches are available in unidirectional and bidirectional winding, with the majority being bidirectional winding. This should not be an issue; regardless of which way the oscillating weight turns, it is winding, so you need not worry. There are two reasons for stopping intermittently: the first is that it has run out of power. Even an automatic winding watch requires you to move your arm daily (at least 8 hours). When you are fast asleep at night, it is not being wound. If the power reserve runs low, it will naturally stop; once you move your arm, it automatically winds itself again and starts running.

　　Cause 2 for mechanical watch stopping: Severe vibration

　　Standard shock-resistant watches can generally withstand the impact of a free fall from one metre onto hardwood. Although the shock-absorbing components provide a cushioning effect, the balance staff is very thin (less than 0.1 mm in diameter), making it susceptible to breakage under more severe vibrations. Violent collisions with hard objects may also cause damage to other internal components. Therefore, the watch you have described requires a physical inspection to confirm the cause.

　　Reason three for mechanical watch stoppage: prolonged periods of inactivity.

　　Prolonged inactivity can cause the lubricant to congeal; having a watchmaker lubricate your mechanical watch should resolve the issue. Mechanical watches require a major service approximately every 5 years. I suspect your watch may be suffering from the second issue, as accidental knocks in daily life are common; it is worth having a professional take a look. Under normal circumstances, minor deviations are expected, and as long as the watch does not stop intermittently, there is generally no cause for concern.

　　How to handle a mechanical watch that has stopped.

　　If inspection reveals that the reason for the mechanical watch stopping is not insufficient power reserve, then it is a mechanical fault and requires professional repair. Remember not to take the mechanical watch apart yourself.

　　Mechanical watches operate through the drive of mechanical gears and mainsprings, and rotation inevitably produces friction. Therefore, lubrication is essential over time to reduce the component wear rate. Otherwise, waiting until a malfunction occurs before sending it for repair often means the problem is already very serious.

　　It is best to send a mechanical watch back for servicing every year to check for improper use or water ingress. Factors such as sweat, rainwater, and polluted air accumulating over the years cause chronic erosion of the mechanism, with the frequency and extent of damage being much higher than in Europe, America, and Japan. Therefore, regular checks are very important, followed by a complete cleaning and maintenance every three years.

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　　What causes a mechanical watch to stop? After reading the above, you should have a better understanding. If you wish to purchase a top-tier replica mechanical watch, please scan the QR code to add our WeChat for enquiries.

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