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Rotary Watches Ltd was established at La Chaux-de-Fonds, Switzerland by Moise Dreyfuss in 1895. By the 1920s family members Georges and Sylvain Dreyfuss began exporting Rotary watches to Britain, which was to become the company's most successful market. Rotary later became the official watch supplier for the British Army.
Vanguart (watches) 2021 Switzerland: Thierry Fisher, Jeremy Frelechox, Axel Leuenberger, Mehmet Korutürk La Chaux-de-Fonds: Private: Romain Gauthier: 2002 Romain Gauthier Le Sentier and Vallée de Joux: Romain Gauthier Ronda (watchmaker) 1944 [3] Lausen [3] William Mosset [3] Lausen: 1,400 Rotary Watches: 1895 La Chaux-de-Fonds: Moise Dreyfuss
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. Names in this list require an article about the watch brand or watchmaker
This category was established to clean up Category:Watches and make it more relevant and more readable. Also list articles on specific watch movement calibers on this ...
Pages in category "Swiss watch brands" The following 122 pages are in this category, out of 122 total. ... Rotary Watches; S. Sandoz (watch company) Schwarz Etienne;
ETA Mechanical movements Caliber Product Line Winding Diameter () Height () Jewels Frequency Running time () VPH Hz; 2671 [1]: Mecaline automatic 17.2 4.8 25
The Model 23 was a 16-size chronograph pocket watch. The Model 4992b was in a 16-size case with a black dial. It was used as the pocket watch for the U.S. military, featuring a less accurate 21-jewel railroad grade movement. [citation needed] By 1970, 13,086 Hamilton Model 21 Marine Chronometers had been produced.
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 framework for the movement. One of these plates, the front plate just behind the face, is always circular, or the same shape and dimensions as the movement.