Omega. A stainless steel manual wind chronograph wristwatch Seamaster chronograph, Ref 145.029, Circa 1970Omega. A stainless steel manual wind chronograph wristwatchModel: Seamaster chronographReference: 145.029Date: Circa 1970Movement: 17-jewel Cal.861 manual wind, No.3855169Dial: Silvered with sunburst blue centre, applied polished baton hour markers with black accents and luminous tips, black outer 1/5th second divisions and tachymeter scale, subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, polished pointed baton hands with luminous hands, blue centre chronograph handCase: Brushed and polished tonneau form, screw down back, crown flanked by twin chronograph pushersStrap/Bracelet: Associated blue fabricBuckle/Clasp: Associated steel buckleSigned: Case, dial & movementSize: 38mmNone