





Montblanc 1858 Geosphere Ultra Black Limited Edition - 858 pieces
20€ de réduction avec le code Newsletter
Livraison offerte dès 100€ d'achat
The Montblanc 1858 Geosphere Ultra Black Limited Edition, limited to 858 pieces, is a tribute to mountaineers defying the highest peaks in the world. Inspired by the professional watches designed by Minerva in the 1920s and 1930s for the army and exploration, this watch embodies the spirit of adventure and a return to nature, while incorporating elements of modern design and watchmaking engineering.
This limited edition stands out with its elegant black dial, adorned with luminescent white rhodium-plated indexes and Arabic numerals, ensuring optimal readability in all conditions. Its 42 mm aged stainless steel case, combined with contrasting black and white details, offers a look that is both robust and refined. The watch is mounted on a black calfskin leather strap with beige stitching, enhancing its sporty and sophisticated character.
The aged stainless steel case gives a vintage aesthetic and increased durability. The bi-directional rotating bezel in stainless steel adds practical functionality while remaining in perfect harmony with the overall design. The black dial features a meticulous finish with luminescent elements, ensuring excellent readability even in low-light environments. Finally, the black calfskin leather strap, with its beige stitching, adds a touch of discreet elegance and exceptional comfort on the wrist.
With a diameter of 42 mm and a thickness of 12.8 mm, this watch displays balanced proportions and a strong presence on the wrist. Water-resistant up to 10 bar (100 meters), it is suitable for daily use as well as outdoor adventures.
Main features of the watch:
• Color: Black dial with luminescent white rhodium-plated indexes and Arabic numerals
• Materials: Aged stainless steel case, stainless steel rotating bezel, black calfskin leather strap with beige stitching
• Movement: Automatic movement with in-house world time complication
• Complications: World hours with rotating globes of the northern and southern hemispheres, 24-hour scale, day/night indication, second time zone, date by disc
• Frequency: 4 Hz
• Number of jewels: 26
Dimensions and specifications:
• Diameter: 42 mm
• Thickness: 12.8 mm
• Water resistance: 10 bar (100 meters)
• Type of bezel: Bi-directional rotating
• Type of crystal: Domed sapphire glass with double anti-reflective treatment
• Ident. no: 128257
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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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.