




Montblanc 1858 Geosphere 0 Oxygen Limited Edition - 1786 pieces
20€ de réduction avec le code Newsletter
Livraison offerte dès 100€ d'achat
The Montblanc 1858 Geosphere 0 Oxygen Limited Edition, produced in only 1,786 pieces, is a watch designed for summit adventurers. Its 42 mm bronze case, devoid of oxygen, enhances the performance and precision of the movement by eliminating fogging and preventing oxidation, even in the most extreme mountain environments.
The dial features a blue glacier pattern, evoking eternal ice, and is adorned with luminescent Arabic numerals plated in rose gold. The bi-directional knurled bezel in black ceramic, with luminescent cardinal points, completes the watch's robust and elegant aesthetic.
The 42 mm diameter and 12.8 mm thick bronze case gives the watch a distinctive look, while the case back is engraved with a 3D representation of Mont Blanc, paying tribute to the spirit of exploration.
Main features of the watch:
• Color: Blue glacier-patterned dial with luminescent rose gold plated Arabic numerals
• Materials: Bronze case, black ceramic bezel, leather strap
• Movement: MB 29.25 automatic movement with in-house complication
• Complications: World time with rotating globes of the northern and southern hemispheres, 24-hour scale, day/night indicator, second time zone, date
• Water resistance: 10 bar (100 m)
Dimensions and specifications:
• Diameter: 42 mm
• Thickness: 12.8 mm
• Bezel: Bi-directional rotating black ceramic with luminescent cardinal points
• Crystal: Domed sapphire glass with double anti-reflective treatment
• Ident. no: 129415
Service Guide
Watch maintenance
Repair in 2h
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Polishing
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Nib Cleaning
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Nib Fitting
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Need maintenance advice?
Call us at: +33 4 97 06 16 66
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Need advice?
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Up to 4810 meters deep
This edition, which can dive up to 4,810 meters below sea level, is equipped with "Zero Oxygen" technology, ensuring tested performance in challenging environments with an anti-fog system and prevention against internal oxidation.
COSC certification and a power reserve of approximately five days.
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Maintenance tips
Taking care of your watch
Your watch can be compared to a piece of jewelry. Creations that incorporate such a level of craftsmanship require special care to maintain their perfect appearance and performance. Depending on its mechanical characteristics, your watch should be serviced every three to five years.