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This category is intended for companies currently engaged in the manufacturing of complete watches, including the manufacturing of their own movements. Companies designing and assembling watches with movements made by third parties should be in Category:Watch brands.
Each specific watch movement is called a caliber. [3] The movement parts are separated into two main categories: those belonging to the ébauches and those belonging to the assortments. [2] In watch movements the wheels and other moving parts are mounted between two plates, which are held a small distance apart with pillars to make a rigid ...
Category:Watchmakers (people): Individuals who manufacture or service watches or watch movements; Category:Watch technicians: Individuals whose skills are relegated to performing simple, non-invasive maintenance on watches, especially if they do not have the skills to completely overhaul a movement (correcting all identified defects, replacing ...
Miyota produces various 'standard' and 'premium' grade mechanical movements for automatic wristwatches.. The Miyota 8215 is an entry level non-hacking-earlier versions twenty-one jewel three-hand with date automatic wristwatch movement with a uni-directional winding system (left rotation) with an accuracy of -20 to +40 seconds per day, and a power reserve of over 40 hours.
Both analog and stepped-movement quartz clocks use the Lavet-type stepping motor (see Quartz clock). Through miniaturization, it can be used in wristwatches and requires very little power, making a battery last for many years. The French engineer Marius Lavet invented this kind of drive and described it in 1936 in his patent application FR823395.
Mathey-Tissot no longer produces its own watch movements in house. Instead, the company customizes mechanical and quartz watches with movements sourced from others. [4] Its logo is similar to the "peace symbol" of the Campaign for Nuclear Disarmament, but turned upside-down, with the words Mathey-Tissot in manuscript, above the printed words "since 1886".
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