OMEGA case including bracelet, pusher, winding crown & dial for Speedmaster chronograph so called 'Teutonic',, Switzerland around 1981, reference 1450040/3450803, frosted stainless steel case including bracelet with deployant clasp, snap on case back with sea horse logo, sapphire crystal, bezel with tachometer graduation, diameter approx. 43 mm, length approx. 19,5 cm, fitting for calibre 861, signs of use due to age