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Do You Really Know Mechanical Watches?
1. Some knowledge about mechanical watch error.
The tolerances allowed for mechanical watches are ±30 sec/day, and the average error of the observatory-certified movement ranges from -4 sec/day to +6 sec/day. The specific error of watch depends on the movement used in the watch. The power of the automatic mechanical watch comes from the swing of the wearer's wrist to generate energy to wind the spring. A fully mechanical automatic watch can last for about 36 hours. It can operate for about 15 hours if it is guaranteed to be worn every day. If you do not wear or swing insufficiently for more than the above time, it will cause the watch to stop. Therefore, the watch should be wound before wearing it again.
2.How to avoid automatic mechanical watch stop.
Automated mechanical watches need to be rotated by the automatic torsion in any direction to cause it to run. Only when the watch is often worn on the hand, and with the movement of the arm, the automatic gyro can produce energy for the mechanical watch to run. In general, a fully automatic mechanical watch should be worn on the hand for more than 8 hours a day to add enough energy to the watch's clockwork to avoid stopping.
Do you need to manually wind the mechanical watch?
The automatic watch is based on the general hand-dial linked list plus an automatic part. Automatic parts include automatic turrets and automatic wheels. The automatic watches we bought are generally stopped before they are sold. Therefore, we first need the salesperson to help to wind the watch when we purchase the mechanical watch. After that, as long as the we wear it enough time every day, the automatic gyro can replenish the spring, so that the automatic watch can run normally. We should minimize the need to use the hand to wind the spring, because the hand is plucked with the spring, which requires the handle to drive many automatic wheels to rotate together. It will cause the automatic parts to wear and increase unnecessary maintenance costs.
Mirror, case and strap of watch
The material of the watch’s mirror is divided into plexiglass, mineral crystal glass, sapphire crystal glass and the like. The materials of the case and strap are commonly found in plastic, copper, stainless steel, tungsten-titanium alloy, high-tech ceramics, and precious metals. The case and strap should be cleaned frequently. The case also can be washed and dried with warm water, because sweat and dirt will corrode the appearance of the watch and cause skin irritation to individual people. Newly bought watches should be peeled off the protective film on the back cover, otherwise the sweat will remain in the middle of the corrosion of the back cover. Watch has to avoid contact with various chemicals. Once it is encountered, it should be cleaned in time to avoid discoloration, detachment or other loss of the coating.
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