Steel chronograph wristwatch, blue dial, white stroke timer on fifth second, white tachometer scale, hour index tritium luminescent sticks in white and orange decals, lined at noon, black and orange pencil needles with luminescence material, small orange needle second at nine o'clock, 30 minute totalizer of the three chronographer hours and 12 noon to 6 o'clock. Crown signed Omega. Screwed case back made of steel, hippocampus, mention "SEAMASTER" and OMEGA logo, on the inside signed Omega Watch Co, reference 145.029. Mechanical movement with manual winding, signed Omega, calibre 861, numbered 32206117. Steel bracelet, folding clasp signed Omega, reference 1159, end pieces 155. Functional watch during the expertise, without guarantee of future operation or condition of the parts. Glass and housing stripes. Around 1970 Dimensions 35 x 38 mm