Grana was a Swiss watch brand founded in 1888 by Adolf and Alfred Kurth in Gretchen (Grenchen), Switzerland. The company is particularly notable for producing military watches during WWII, including WWW (Watch, Wrist, Waterproof) watches for the British Army and DH (Deutsches Heer) watches for the German military. In 1924, the Kurth brothers registered the Certina trademark, which eventually became the primary brand. Grana is now defunct, with Certina being its successor.
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SwitzerlandCurrent Certina (successor)
