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'''Soprod''' is a Swiss manufacturer of [[watch movement]]s and parts and is now owned by [[Citizen Holdings]] of Japan.

==Overview==

'''Soprod SA Les Reussilles''' was founded in [[1966]] in [[Tramelan]] in the [[Jura]] region of Switzerland to produce mechanical watch components. The company was purchased by [[Léman Capital]] and merged with Swiss low-end quartz specialist, [[SFT Group]] in [[2005]] as a new company, [[STM Holding]]. This group was purchased by [[Peace Mark]] of Hong Kong in [[2007]] but that company became insolvent the following year. STM was repurchased in [[2008]] by [[Festina]] management without the mass-market quartz manufacturing operations the company had established in China.

Today, Soprod is the corporate parent within [[Festina Group]] that produces Swiss watch components:
* Soprod mechanical movements in [[Tramelan]]/[[Les Reussilles]]
* Soprod high-end quartz movements and components in [[Sion]]
* Soprod wheel trains in [[Le Saignelégier]]
* IMM Ineltec milling and preforms in [[Maiche]]
* Manufacture Horlogère Vallée de Joux ("MHVJ", formerly Dubois Technique Horlogère) regulators in [[Le Sentier]]
* MSE/Astral Technologies hairsprings in [[Porrentruy]]

Soprod's main mechanical movement is the [[Soprod A-10]], based on the [[Seiko 4L]] family. On this base, Soprod also produces a number of complications, including "big date", second time zone, [[power reserve indicator]], [[24 hour]] indicator, [[chronograph]], [[moon phase]], and more. Soprod also produces [[escapement]]s and [[hairspring]]s for other manufacturers.

==See Also==
* [[ETA 2892 modules]]

[[Category:Festina]]
[[Category:STM Holding]]
[[Category:Tramelan]]
[[Category:Le Sentier]]