Entering the Oris collection in 1938, this Oris Big Crown Bronze Men\'s Watch has been refined with material and mechanical improvements for a timepiece that showcases timeless pioneering\'s spirit. At A Glance  Presented on a brown leather strap 40mm case size with 50m water resistance Brown dial with bronze bezel Numbered hour markers with Super Luminova Scratch resistant sapphire crystal glass Bronze screw in security crown Powered by an automatic winding, bi-directionally rotating red rotor movement