42 mm. Diameter
The present reference, ST 10502, is probably one of the rarest reference in the history of Speedmaster in production for less than a year with estimated production between 2,000 to 2,600 pieces. ST10502 is in fact a renamed 2998-62 following the introduction of the new mapics product-coding system.
Another interesting fact for the present watch is that it comes with engraving of ‘SC’ or ‘S.C’ which stands for Seconde Centrale (Center seconds) The dial has nicely aged over the years with the luminous turning to a warm orange tone and a gray faded inlay. The crystal furthermore features the Omega symbol to the center, attesting to its original condition.