The U200 diving watch comes with a smaller case and all of the functionalities that larger diving watches have. It is equipped with ETA 2824-2 automatic calibre that performs 28 800 vibrations per hour and has 25 bearing jewels. The case is made of German submarine steel, which has anti-magnetic properties, pressure resistance, temperature resistance and exceptional water resistance. In addition, Sinn’s special dehumidifying capsule has been added. The watch is equipped with a number of functionalities including captive diver’s bezel with minute ratcheting, crown at 4 o’clock, a date window at the 6 o’clock mark and scratch-resistant sapphire crystal glass with anti-reflective coating.