Omega. Chronographe bracelet mono-poussoir en acier mouvement mécanique, Omega. A stainless steel manual wind single button chronograph wristwatch Seamaster Chronostop, Ref: 145.009, Circa 1969 Omega. Chronographe bracelet mono-poussoir en acier mouvement mécanique, Omega. A stainless steel manual wind single button chronograph wristwatch Model: Seamaster Chronostop Reference: 145.009 Date: Circa 1969 Movement: 17-jewel Cal.865 manual wind, No.28436168 Dial: Black, applied polished baton hour markers with luminous dots, black outer 1/5th second divisions, black and white pointed baton hands with luminous inserts, orange centre chronograph hand Case: Brushed and polished tonneau form, screw down back, single pusher at 2, crown at 4 Strap/Bracelet: Blue and orange NATO strap Buckle/Clasp: Steel buckle Signed: Case, dial & movement Size: 35mm