Speedmaster Professional, Ref:145.022, Movement No.48263590, Circa 1985
17-jewel Cal.861 manual wind movement, matt black dial with luminous baton hour markers, white outer 1/5th second divisions, white pointed baton hands with luminous inserts and arrow tipped centre chronograph hand, subsidiary dials at 3, 6 and 9 for running seconds, 30 minute and 12 hour recording, brushed and polished tonneau shaped case with screw down back, anti-magnetic cap, black bezel with tachymetre scale, shouldered screw down crown flanked by twin pushers, fitted brushed Omega 1479 link bracelet with signed folding clasp, together with fitted box and 4 spare links, case, dial and movement signed
42mm.