Omega Seamaster GMT Mens Watch 2234.50.Omega GMT Mens Watch Premium grade stainless steel, Chronometer movement, Bidirectional rotating aluminum bezel serves as a second time zone. Stainless steel case & link bracelet, Push-button safety clasp, Black Geneva wave pattern dial, Luminous hands and hour markers, Automatic date calendar, Screw-in crown and caseback for water resistance up to 300M, Scratch resistant sapphire crystal. 41mm.