2023 Full set, Omega Special Series, Model: 511.12.39.21.99.002 CK859, a rare "CK859 Hand Roll King" retro silver dial ultra-thin mechanical watch, perfectly replicates the classic wristwatch of the 1930s. It features a 39mm white dial made of 925 sterling silver, blue hands, an independent small seconds hand, and an ultra-thin case. It is equipped with the self-produced special 8926 Master Chronometer co-axial manual movement with a transparent back