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Montblanc 1858 Geosphere Limited Edition - 1858 pieces

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The Montblanc 1858 product line is inspired by the professional Minerva watches from the 1920s and 1930s which were conceived for military use and exploration. Reinterpreting these historical timepieces, the Montblanc 1858 product line expresses the spirit of mountain exploration, embodying the modern trend of returning to nature. The Montblanc 1858 Geosphere Limited Edition 1858 is dedicated to the world’s Seven Summit mountaineering challenge, the holy grail of mountaineering adventures. It comes in a 42 mm bronze case combined with beige and contrasting brown design details, finding inspiration in the colours of deserts. The timepiece features a manufacture world-time complication developed by the Montblanc watchmakers in Villeret: two domed globes, turning in opposite directions, that complete a full rotation in 24 hours. Both are surrounded by a scale with the 24 time zones, along with a day and night indication in contrasting colours. This provides an instinctive way of appreciating the different time zones, aided by the luminescent continents for increased visibility and performance at night. The timepiece is completed with a brown Sfumato calf leather strap with beige stitching.

Ident No. MB128504

Caliber Automatic, self-winding Movement Calibre MB 29.25 Rubis Number 26 Jewels Balance 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 Description Smoked brown to beige dial with beige luminescent rose gold-coated Arabic numerals and indexes Bezel Type 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 22 mm Bezel Colour Brown Bezel Finish Microbille-Poli Case Colour Bronze Water Resistant 10 bar (100 m) bar Bracelet Colour Brown Case Diameter 42 mm Bezel Material Bronze-ceramic