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1858 Geosphere 0 Oxygen Limited Edition - 1786 pieces

SKU 129415

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.


Movement Type : Automatic, self-winding

Movement Caliber : MB 29.25

Number of jewels : 26 Jewels

Flat hairspring


Complications : Worldtime with turning northern and southern hemisphere globes, 24-hour scale and day/night indication; Dual time indication; Date by disc


Case Material : Bronze

Dial : Blue glacier pattern dial with rose gold-coated 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 bronze with Montblanc emblem in relief

Distance Between Horns : 0.87 inches

Bezel color : Black

Material : Bronze

Water Resistant : 10 bar (100 m) bar

Case Back Material : Bronze case without oxygen

Bracelet Color : Blue

Case Diameter : 1.65 inches

Bezel Material : Bonze-ceramic

  • Brands: Montblanc
  • Category: Timepieces
  • Collection: 1858
  • Dial Color: Blue Glacier Pattern
  • Metal: Bronze

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