Model: Speedmaster Professional Mark IIReference: 145.014Date: Circa 1970Movement: 17-jewel Cal.861 manual wind, No.29635626Dial: Black, luminous baton hour markers, white outer 1/5th second divisions, raised outer tachymetre scale, subsidiary dials at 3, 6 and 9 for 30 minute and 12 hour recording and seconds, white pointed baton hands with luminous inserts, white centre chronograph handCase: Brushed and polished tonneau form, screw down back, crown flanked by twin buttonsStrap/Bracelet: Fitted brushed and polished 1163 Omega linkBuckle/Clasp: Signed folding claspSigned: Case, dial & movementSize: 42mm