Description

The Montblanc 1858 Geosphere Chronograph 0 Oxygen Limited Edition of 290 pieces is totally devoid of oxygen to guarantee the watch's performance and precision over time, even in some of the harshest mountain environment. Zero oxygen inside the movement not only eliminates fogging, which can occur with drastic temperature changes at 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 lightweight 44mm polished titanium case, with a 3D engraving on the case back, and is fitted with Montblanc's blue glacier pattern dial. It is powered by Montblanc's MB 29.27 Manufacture automatic chronograph movement with worldtime 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. This model will be tested by alpinist Nimsdai Purja during an expedition to the summit of Mount Everest in May 2022, also without the use of supplemental oxygen. Ident No. MB129624 Movement MOVEMENT TYPE Automatic, self-winding POWER 46 h NUMBER OF JEWELS 33 Jewels FLAT HAIRSPRING BRIDGES Rhodium-plated with circular graining and satin finishes GOING TRAIN Gold-plated PLATE Rhodium-plated and circular-grained plates Case CASE MATERIAL Titanium DIAL Blue glacier dial with white luminescent Arabic numerals and indexes BEZEL Bi-directional turning bezel ANTI-SCRATCH CRYSTAL Yes CRYSTAL SHAPE Domed CRYSTAL DESCRIPTION Domed sapphire crystal with double anti-reflective coating CRYSTAL TYPE Sapphire CROWN Fluted in titanium with Montblanc emblem in relief DISTANCE BETWEEN HORNS 0.87 inches BEZEL COLOR Black WATER RESISTANT 10 bar (100 m) bar CASE BACK MATERIAL Titanium case without oxygen BRACELET COLOR Blue CASE DIAMETER 1.73 inches BEZEL MATERIAL Steel - Ceramic

Product details provided by: Montblanc