Montblanc 1858 Geosphere 0 Oxygen Limited Edition vysen A flattened slide rule and

A flattened slide rule and a domed crystal create the illusion of a sleeker profile

18 kt white gold contrariè stretchable bracelet with diamond pavé 0

The timepiece comes with a unidirectional bicolor ceramic bezel

Crafted in a sophisticated soft leather

Montblanc 1858 Geosphere 0 Oxygen Limited Edition vysen A flattened slide rule andThe Montblanc 1858 Geosphere 0 Oxygen Limited Edition is totally devoid of oxygen to improve the watch's performance and precision over time, even in some of the harshest mountain environments. Zero oxygen inside the movement not only eliminates fogging, which can occur with drastic temperature changes in altitude, but also prevents oxidization. Without oxygen, all the components last far longer and will provide greater precision over time. The