Sinn (watchmaker)

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Sinn Spezialuhren GmbH

Industry	Watches (especially for use in aviation)
Founded	1961
Founder	Helmut Sinn
Headquarters	Frankfurt am Main , Germany
Products	Watches and timepieces
Website	www.sinn.de

Sinn is a German manufacturer of mechanical and quartz wristwatches based in Frankfurt am Main. The company was founded in 1961 by flight instructor and pilot Helmut Sinn [de; fr] (1916–2018) under the name ‘Helmut Sinn Spezialuhren’.