The Omega Speedmaster 3815.73.31 has a ‘reduced’ case housing the self-winding caliber 3220. It is fitted with a blue mother-of-pearl dial with Arabic numerals and an alligator strap.


The Omega Speedmaster 3815.73.31 has a ‘reduced’ case housing the self-winding caliber 3220. It is fitted with a blue mother-of-pearl dial with Arabic numerals and an alligator strap.
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