The 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 timepiece comes in a 42mm bronze case with a bi-directional knurled ceramic bezel with luminescent cardinal points and the Maison's glacier pattern dial. The watch is powered by the MB 29.25 automatic movement with manufacture complication. Like with all 1858 Geosphere models, both the Northern and Southern hemispheres are represented with two three-dimensional globes and include a day & night indication so that the wearer can see what time it is across the Earth with a simple glance.
Ident No. MB129415
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Number of jewels
Worldtime with turning northern and southern hemisphere globes, 24-hour scale and day/night indication; Dual time indication; Date by disc
Blue glacier pattern dial with rose gold-coated luminescent Arabic numerals and indexes
Bi-directional turning bezel
Domed sapphire crystal with double anti-reflective coating
Fluted bronze with Montblanc emblem in relief
Distance Between Horns
0.87 inchesBezel color
10 bar (100 m) barCase Back Material
Bronze case without oxygen
1.65 inchesBezel Material
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