Sinn U2 SDR

With the U2 SDR, Sinn Spezialuhren GmbH lives up to its name. The 44-millimetre case is made of genuine submarine steel, which is particularly resistant to water and saltwater. Utilizing tegimentation, this steel is further strengthened so that the diver's watch achieves the greatest possible robustness. The case of the Sinn U2 SDR has been bead-blasted and is equipped with a rotating ring with a black hard plastic coating, in contrast to the stainless steel version of the U2.