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Tissot introduced the first mass-produced pocket watch as well as the first pocket watch with two time zones in 1853 and the first anti-magnetic watch, in 1929–30. [5] Tissot was also one of the first companies to manufacture an antimagnetic wristwatch in the early 1930s. [ 13 ]
Jacques-Frédéric Houriet (1743–1830), Swiss watchmaker, Le Locle, pocket watch, tourbillon. [1] Jules Jürgensen (1745–1811), Danish watchmaker and manufacturer, Le Locle, pocket watch, longcase clock. Peter Kinzing (1745–1816), German clockmaker and mechanic. Daniel Möllinger (1746–1794), German clockmaker, Heidelberg, city clock maker.
The more accurate pocket watches continued to be widely used in railroading even as their popularity declined elsewhere. Quartz pocket watches are available in the present day, retaining the form and function of the original pocket watches while using a quartz crystal as opposed to the traditional fully-mechanical movement.
Technos (watches) 1924 Welschenrohr: Joseph Gunzinger Tissot: 1853 [3] Le Locle [3] Charles-Félicien Tissot, Charles-Emile Tissot [3] Le Locle: 250 Subsidiary The Swatch Group: Sylvain Dolla Georges Nicolas Hayek Jr. (chairman of the board) Titoni: 1919 Grenchen Fritz Schluep Grenchen: 60 Private Daniel Schluep Tudor Watches: 1926 Geneva: Hans ...
The Swiss Federal Institute of Metrology (METAS) has METAS N001 requirements for movements and mechanical watches resistant to magnetic fields of 1.5 Tesla (15,000 Gauss). The METAS N001 certification demands a series of tests were amongst other relevant requirements the watches are subjected to strong magnetic field exposures without resulting ...
Watches were worn during the Franco-Prussian War (1870–1871), and by the time of the Boer War (1899–1902), watches had been recognised as a valuable tool. [184] Early models were essentially standard pocket watches fitted to a leather strap, but, by the early 20th century, manufacturers began producing purpose-built wristwatches.