A stainless steel automatic chronograph 'Speedmaster', Mark IV wristwatch, by Omega
The circular black dial with baton hour markers, sweep centre seconds, three subsidiary dials for constant seconds, 60-minute and 12-hour registers, and date and day apertures, the bezel graduated for 15 pulses, the chronometer operated by two buttons in the band, to an integral bracelet and deployant clasp, case 4.0cm wide
Dial signed Omega Speedmaster, case signed Seamaster, buckle signed Omega, case reference ST 176.012, movement no. 39.193.154
A stainless steel automatic chronograph 'Speedmaster', Mark IV wristwatch, by Omega
The circular black dial with baton hour markers, sweep centre seconds, three subsidiary dials for constant seconds, 60-minute and 12-hour registers, and date and day apertures, the bezel graduated for 15 pulses, the chronometer operated by two buttons in the band, to an integral bracelet and deployant clasp, case 4.0cm wide
Dial signed Omega Speedmaster, case signed Seamaster, buckle signed Omega, case reference ST 176.012, movement no. 39.193.154
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