Sinn watch t2 b ezm 15 rubber strap bluethe t2 b is a mission timer characterised by a matt blue electroplated dial a further special feature of the t2 b is the captive safety divers bezel which is distinguished by two basic components its secure attachment and rotation protectionthe set time is especially easy to read thanks to the different shapes of the hour and minute hands to ensure that this is also possible in the dark or in adverse viewing conditions the t2 b also features colou