Sinn 's most Iconic Diver, The U1

This watch really got the ball rolling for Sinn in the mid 2000's after the movement company Lemania went bust thus ending production of the EZM1, Sinn needed something new to keep the moment going and came up with the U1, its been one of there top seller for many years

https://www.sinn.de/en/Diving_Watches/U1.htm

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