Omega Seamaster PloProf 1200m , Ref: 224.32.55.21.01.001 , 55 x 48MM stainless steel brushed/satin finished stainless steel case with polished finished beveled corners, Bi-Directional turning bezel with security bezel-lock, Bezel with luminous markings & covered by highly scratch-resistant sapphire-crystal, Helium escape valve located on the case edge at the 4 o'clock position, Black  dial with applied polished steel hour markers filled with Super-LumiNova. Black painted minute index markers, water resistant to 1200m/4000ft, Omega in-house manufactured, designed & exclusive movement - caliber 8500, Brand new with box and papers.