Limited edition sinn watch u1000 b ezm 6 limited edition the diving chronograph u1000 b ezm 6 is available exclusively as a special limited edition the mission timer made from german submarine steel is equipped with a matt blue electroplated dial and white luminous indices and hands matching in colour the watch comes with a blue silicone strap and a grey textile strap as standardthanks to the use of several special sinn technologies the u1000 b is characterised as a robust timepiece fo