Ref:820.4, Circa 1970
17-jewel Valjoux Cal.7736 manual wind movement, sunburst gilt dial with applied faceted baton hour markers, black outer 1/5th second divisions and tritium dot five second markers, black outer tachymeter scale, black pointed baton hands with luminous inserts and centre chronograph hand, subsidiary dials at 3, 6 and 9 for running seconds, 30 minute and 12 hour recording, brushed and polished barrel shaped case with snap on steel back, signed crown flanked by twin pusher, brushed sunburst finished bezel, fitted associated black leather strap and gilt associated buckle, case, dial and movement signed
42mm.