Sinn watch t1 ezm 14 leather strap the t1 is our new mission timer all of the case parts are made from high strength titanium bead blasted titanium is distinguished by its exceptionally low weight extreme strength and superior resistance to seawater it also offers a high degree of wearing comfort as it causes no allergies a further special feature of the t1 is the safety divers bezel which is distinguished by two basic components its secure attachment and rotation protection more infor