Omega Speedmaster Racing 3188.8.131.52.01.001 Superlumed Dial Watch, OM factory independently developed and manufactured 9900 movement, 3 o’clock dial is 12-hour and 60-minute cumulative timing dial, all functions and appearance are consistent with the original. OM steel is made of imported AISI316L special steel with hardening treatment, so the hardness reaches 240HV. You can see that OM’s case has clear, fine, white sand grains and no pores to create the same material as the original product. Omega Speedmaster Racing 44.25MM 3184.108.40.206.01.001 OM Factory Superlumed Dial Replica Watch. The transparent arc-shaped sapphire crystal glass mirror is more prominent on the other dial. The matte dial is matched with platinum plated nails. The luminous is made of imported super luminous powder. The Ultraman Moon series is matched with fine steel strap and imported cowhide strap. The strap and ceramic ring can be exchanged in the original version.