Sinn Watch U2 - EZM 5 Vintage Black With Red 1020.010 Vintage Black With Red Seam. Sinn watches continue to impress with their sporty and sophisticated designs, perfect for professional men in need of a reliable and striking timepiece. This Sinn U2 EZM 5 watch boasts a remarkable 2,000 metre water resistance, a unique bead blasted German Submarine steel case, divers bezel with minute ratcheting and the ETA 2893-2 self winding movement. The exquisite calibre is kept hidden behind a solid steel case back and equips the watch with hours, minutes and seconds function, date display at 3 o clock and a second time zone on a 24 hour basis.