Famous manual−winding chronograph movement thatwas worn on the Moon.

Outer Case with Outer Space Extreme Temperature Instrument (OSETI) measures 58mm in diameter (26.00mm thick with watch inside). OSETI treatment in red via sulphuric decorative anodizing treatment. Velcro strap openings at 6 and 12. External chronograph pushers in polished stainless steel, inner protection tip in Delrin. 4 stainless steel pistons on inside with protection tip in Delrin. Front inscriptions read 'Alaska Project' at 12, 'Outer Space Extreme Temperature Instrument' at 6. Back inscription reads 'Speedmaster Professional' at center, 'Limited edition of 1970 watches', OMEGA Logo, 'Temperature resistance [-148c - +260c], side inscriptions include Omega Logo between pushers, 'Close' with directional sign between 9 and 10.

Transfer Omega Logo on dial, hour markers coated with SuperLuminova. Varnished black-and-white hour and minute hands coated with SuperLuminova, varnished black small seconds hand at 9. Red central chronograph seconds hand with SuperLuminova. Varnished black chronograph counter hands in shuttle shape, coated with SuperLuminova.

Special presentation box with set of tools.
Omega is famous for being the first watch on the moon and the preferred choice of secret agent James Bond. The Swiss watchmaker's prestigious history extends back to 1848. An Omega watch is at home at the depths of the ocean, at the polar caps, and even in space. Omega has long enjoyed an intimate involvement with the US Space Program. Today, Omega is renowned as the brand synonymous with Swiss watchmaking.