Model: Speedsonic f300HzReference: 188.0002Date: Circa 1970Movement: 21-jewel Cal.9210 quartz, No.38413672Dial: Sunburst blue, luminous baton hour markers, white outer 1/5th second divisions, raised outer tachymetre, day and date apertures at 3, subsidiary dials at 12, 6 and 9 for seconds, 30 minute and 12 hour recording, white baton hands with luminous inserts, centre chronograph handCase: Brushed and polished tonneau form, screw down back, crown flanked by twin pushersStrap/Bracelet: Brushed 1162 Omega linkBuckle/Clasp: Signed folding claspSigned: Case, dial & movement Size: 43mm Accompaniments: Pre-owned purchase receipt dated March 2009