1400 Omega Speedmaster Series Racing Chronograph [SPEEDMASTER] OB2 produced by famous craftsman Swiss Watch uses 7750 modified Omega 9900 chronograph black balance wheel movement with double T shock absorber [1] The steel is made of imported AISI316L special steel and hardened, so The hardness reaches 240HV. The sand pattern you see on the case is clear, delicate, white and has no pores. It is the same material as the original product. [2] Transparent arc-shaped sapphire crystal glass mirror and the dial is more prominent. [3] Matte dial with platinum-plated bars. Nails and luminous materials are made of imported super luminous powder [4] The Speedmaster Moon series is equipped with a fine steel strap and an imported cowhide leather strap. The strap and ceramic ring can be interchanged with the original version. We may never be able to go to space, but at least we can in our lifetime. Own an Omega moon watch. The famous craftsman Swiss Watch exquisitely recommends men’s multi-functional mechanical watches. The famous craftsman Swiss Watch carefully creates ultra-real physical pictures for you, Omega