Pre-Owned gents vintage Omega Speedmaster Professional Pre Moonwatch in stainless steel. On generic leather strap with tang buckle. Smooth bezel with tachymeter scale engraving, acrylic crystal and solid case back with engraving. 42mm case diameter. Manual winding movement and chronograph functions. Black dial with painted hour markers; sub-dials for 30 minutes, 12 hours, and seconds.