Sinn is famous for its great practicality or military influences. There is one particular piece that had caught our eye at Baselworld 2016, Sinn 856 B-Uhr is based on deck watches that are used for navigation and scheduling purposes. Sinn is famous for its great practicality or military influences. There is one particular piece that had caught our eye at Baselworld 2016, Sinn 856 B-Uhr is based on deck watches that are used for navigation and scheduling purposes.