Swiss Omega racing chronograph [SPEEDMASTER] om 9900 movement, 3 o’clock is [12 hours] and [60 minutes] cumulative chronograph. All functions and appearances are the same as the original version. OM’s ingenuity  OM steel is made of imported AISI316L special steel and hardened, so the hardness reaches 240HV. You can see that the sand pattern of the OM case is clear, fine, white, and perfect without pores. Create and restore the same material as the original product  Transparent arc arched sapphire crystal glass mirror and the dial is more prominent  Matte dial with platinum-plated nails, luminous made of imported super luminous powder  Super Lunar series with fine The steel strap and imported leather strap, the strap and the ceramic ring can be interchanged with the original version. We may never be able to go to space, but at least one Swiss Omega Moonwatch can be owned in our lifetime.