It was then applied in the USA on Januunder the code US4132061A. The patent for this watch movement was applied in Switzerland on 1976, February 18. The gold cases came from the « Ateliers réunis », a company also located in Geneva. The calibre 1200 (and its automatic version 2000) were built from 1976 to 1979 in the factory that the company Bouchet-Lassale SA had built on 30, rue des Voisins in Geneva, Switzerland. Its frequency is 21,600 Alt/H, and its power reserve is 35 hours.
These ball-bearings are inserted in a platine which is 1.2 mm thin. There is an automatic version which is 2.08 mm thick). This mechanical, handwound movement has a diameter of 20.4 mm, and a thickness of 1.2 mm. The calibre 1200, with its automatic version the Calibre 2000, were first presented at the Foire Internationale de l’Horlogerie in Basel in April 1976. The company's last CEO was Mr Hagiwara Yasunori. The Jean Lassale SA company was excluded from the Swiss Chamber of Commerce on 10 April 2006, following the bankruptcy that was declared by the Tribunal de Première Instance dated 23 June 2003. Sealing Arrangement for an Extra-Flat Waterproof Watch Case.The company Bouchet-Lassale filed some patents : When Piaget went under the control of Cartier, this exclusivity was released, and Nouvelle Lemania SA could then sell the calibers to different watch companies, among them Vacheron Constantin.Īt Vacheron, the Caliber 1200 is called 1160, and the automatic movement is called 1170. Those calibers will be sold exclusively to Piaget SA, as long as this company will stay independent. Founded in 1982, this company will continue the activities of Lemania-Lugrin SA, and it will produce from the beginning the successors of the calibers 12 : the calibers 12 Lemania. But Jean Lassale is bought by Seiko, while the technical documents and the patents are bought by Claude Burkhalter, at the same time as he creates the company « Nouvelle Lemania SA ». In December of the same year, Claude Burkhalter, then the director of Lemania-Lugrin SA, declares during an internal meeting that « Omega has the possibility to buy the Jean Lassale brand ».
In Septembre 79, Bouchet-Lassale SA met some financial difficulties, and the production was stopped.
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So, Lemania–Lugrin SA built calibres 12, Omega owning a non-exclusive license for the production and the sale of those movements. In 1978-79, a collaboration starts between Bouchet-Lassale SA and Omega SA, through Lemania-Lugrin SA, L’Orient, which were both units of the SSIH Group (Société Suisse pour l’Industrie Horlogère, which does not exist anymore today). Int'l Inventors Expo «77» New York 4 March 1977 :.Grand Prix du Jury pour les innovations industrielles.Salon Mondial des Inventions Bruxelles December 1976 :.
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