Sinn Watch UX SDR EZM 2B. 403.050 Vintage Cowhide Brown. One of the highest water resistant watches we have ever seen, this Sinn UX SDR EZM 2B boasts a genuine German Submarine Steel case with a water resistance of 12,000 metres making it the ideal companion for adventurous deep sea divers. It’s 44mm Submarine Steel case is renowned for its extreme resistance to sea water and is fitted with the highest levels of non-magnetic properties, keeping the high precision quartz movement within protected There are very few diving watches better than this Sinn UX SDR watch, especially if you are wanting to explore the furthest depths of our oceans. The technology hidden within is remarkable from the Sinn HYDRO Technology which provides perfect readability even under water and freedom from reflection and fogging to the temperature compensated quartz movement which not only has an exceptionally long life but can supply power at temperatures as low as -25 Celsius. The Sinn UX SDR EZM 2B watch is also fitted with a black hard coated captive diving bezel with unidirectional functionality engineered using the brand’s famous TEGIMENT technology. This innovation ensures that the surface has a significantly greater level of protection against scratches. Its matte black dial also remains highly legible with hands and indices coated in luminescent colour and sapphire crystal glass with anti-reflective treatment housing its entirety.