The Omega Speedmaster '57 Blue 41,5 mm (ref. 331.12.42.51.03.001) is a men's sports watch with a 42 mm round case in stainless steel. It has a black dial under sapphire crystal.
It is powered by the hand-wound mechanical calibre 9300 with a power reserve of 50 hours. Functions: Chronograph, date. Water-resistant to 50 m. The watch is fitted with a Five-link steel bracelet with a folding clasp in steel.
This example is in perfect condition, and comes with the original box and papers.
