Sinn watch 103 ti diapal 103078 leather sinn watches are renowned for their aviation inspired designs and this sinn 103 ti diapal watch continues this tradition by bringing to life an aesthetic reminiscent of cockpit navigation clocks and their rapid and clear readability the bead blasted titanium case hides the valjoux 7750 gmt self winding movement with 200 metre water resistance and diapal technology with lubricant free escapement the striking bidirectional pilots bezel with minute ratc