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2. Tissot - Wikipedia

   en.wikipedia.org/wiki/Tissot

   Tissot was founded in 1853 by Charles-Félicien Tissot and his son Charles-Émile Tissot in the Swiss city of Le Locle, in the Neuchâtel canton of the Jura Mountains area. [2] The father and son team worked as a casemaker (Charles-Félicien Tissot) and watchmaker (Charles-Emile). His son having expressed an interest in watchmaking from a young ...

3. 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 ...

4. COSC - Wikipedia

   en.wikipedia.org/wiki/COSC

   The movements are fitted with a seconds hand and the automatic winding mechanisms are disengaged for the tests. Measurements are made daily with the aid of cameras. Based on these measurements, seven eliminatory criteria are calculated, each of which must be met (e.g., for movements of a diameter over 20 mm, the requirements, indicated in ...

5. The Swatch Group - Wikipedia

   en.wikipedia.org/wiki/The_Swatch_Group

   The Swatch Group Ltd is a Swiss manufacturer of watches and jewellery. The company was founded in 1983 through the merger of ASUAG and SSIH, moving to manufacturing quartz-crystal watches to resolve the quartz crisis threatening the traditional Swiss watchmaking industry.

6. Chronograph - Wikipedia

   en.wikipedia.org/wiki/Chronograph

   The term chronograph comes from the Greek χρονογράφος (khronográphos 'time recording'), from χρόνος (khrónos 'time') and γράφω (gráphō 'to write'). '). Early versions of the chronograph are the only ones that actually used any "writing": marking the dial with a small pen attached to the index so that the length of the pen mark would indicate how much time had

7. Mathey-Tissot - Wikipedia

   en.wikipedia.org/wiki/Mathey-Tissot

   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".