Circa mid 1990s Omega Speedmaster 175.0032.1 Chronograph, 39 M.M. Stainless Steel 2 Piece snap back case. Caliber 322 Automatic self winding 47 Jewel movement, 3 register Chronograph, timing functions with fly back center sweep hand. Black Enamel Tachymeter bezel, Black matt dial with White printing. Green Nylon Military style strap. Recently serviced and comes with a one year warranty.