The Montblanc 1858 Geosphere 0 Oxygen The 8000 (Ref. 130982) is a 42mm titanium watch designed for extreme conditions. Its oxygen-free case prevents fogging and oxidation, enhancing movement longevity and precision. Powered by the MB 29.25 automatic movement, it features a worldtime complication with 3D rotating Northern and Southern Hemisphere globes, day/night indicators, dual time display, and date function. The dark grey glacier-pattern dial includes luminescent Arabic numerals and indexes. A bi-directional black ceramic bezel with luminescent cardinal points aids orientation. The titanium bracelet offers a fine adjustment system. The case back showcases a 3D laser engraving of the K2 mountain.