OMEGA chronograph series Speedmaster, self winding, reference 175.0033, stainless steel/pink gold combined including original leather strap with gold-plated original buckle, snap on case back with Speedmaster logo, tachymeter-gold bezel, black dial with gilded sub dials, luminous indexes & -hands, gold plated movement calibre 1140, 46 jewels, diameter approx. 39 mm, original papers enclosed, sold in 1990, condition 2, property of a collector