No Image Lot 983 An Omega Speedmaster Automatic Co-Axial Chronograph Gents Watch. Black leather tag strap. 983An Omega Speedmaster Automatic Co-Axial Chronograph Gents Watch. Black leather tag strap. Cadmore Auctions Ltd An Omega Speedmaster Automatic Co-Axial Chronograph Gents Watch. Black leather tag strap. Stainless steel case - 42mm. White dial with two sub dia... Add to watchlist Live