Adhesive steel belt Omega Speedmaster series, new lunar disk login. 30.42.50.04.001 A big highlight of the white dial model is the white dial with red "Speedmaster" words. The white dial is inspired by the 1969 project jointly completed by Omega and NASA. Top secret project "Alaska Project". The watch case is 42 mm, made of fine steel, with a black anodized ceramic ring. Its speed scale is equipped with the iconic Dotover90. It is specially designed for Speedmaster series moon watch enthusiasts. Equipped with Omega's new 3861 Master Chronometer movement, this movement is also an upgraded version of the legendary 321 movement trusted by astronauts who landed on the moon. Compared with the previous 3861 transparent moon landing Speedmaster, there are only two differences: 1. White The varnish surface has the texture of a white porcelain plate at a certain angle; 2. Black PVD pointer multi-function mechanical watch,