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2. Orient Watch - Wikipedia

   en.wikipedia.org/wiki/Orient_Watch

   In 2003, the Orient Technical Center (OTC) was established and the assembly of luxury watches began in Ugo, Ogachi, Akita, Japan. [11] In 2004, the high-precision caliber 88700 movement went on sale via the Royal Orient watch line. In 2005, Orient Star Retro-Future collection was launched. In 2010, Orient Watch Co. celebrated its 60th ...

3. Jean Lassale - Wikipedia

   en.wikipedia.org/wiki/Jean_Lassale

   Jean Lassale was a Swiss watch company that designed the Calibre 1200, featuring the thinnest mechanical watch movement: 1.2 mm. [1] In the 1970s, Pierre Mathys, [2] master watchmaker in La Chaux-de-Fonds, designed and built the prototype of a revolutionary watch caliber, with the goal of making the thinnest watch in the world.

4. List of watch manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_watch_manufacturers

   This list is a duplicate of Category:Watch brands, which will likely be more up-to-date and complete. Manufacturers that are named after the founder are sorted by surname. Manufacturers that are named after the founder are sorted by surname.

5. Automatic quartz - Wikipedia

   en.wikipedia.org/wiki/Automatic_quartz

   Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism [1] (as used in automatic mechanical watches) to generate electricity with a piezoelectric quartz crystal as its timing element. Such movements aim to provide the advantages of quartz without the inconvenience and environmental impact of ...

6. History of watches - Wikipedia

   en.wikipedia.org/wiki/History_of_watches

   In 2019, Citizen Watch advanced the accuracy of a quartz watch to +/- 1 second a year. [48] The improved accuracy was achieved by using an AT-cut crystal which oscillates at 8.4 MHz (8,388,608 Hz). The watch maintains its greater accuracy by continuously monitoring and adjusting for frequency and temperature shifts once every minute.

7. Quartz clock - Wikipedia

   en.wikipedia.org/wiki/Quartz_clock

   It is also possible for quartz clocks and watches to have their quartz crystal oscillate at a higher frequency than 32 768 (= 2 15) Hz (high frequency quartz movements [4]) and/or generate digital pulses more than once per second, to drive a stepping motor powered second hand at a higher power of 2 than once every second, [5] but the electric ...