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Montblanc pays tribute to Europe’s highest peak and a dormant volcano with a watch containing volcanic ash.
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Since 2018, the Montblanc Geosphere has honored intrepid explorers, especially those who particularly enjoy venturing to high altitudes. This spirit is embodied in the Montblanc 1858 Geosphere 0 Oxygen Mount Elbrus Limited Edition, a watch that celebrates the highest mountain on the European continent. This edition is limited to 829 pieces, a tribute to the year 1829, which marks the first ascent of the higher of the two peaks of Mount Elbrus..
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The Montblanc 1858 Geosphere 0 Oxygen Mount Elbrus Limited Edition 829 is housed in a 43.5 mm titanium case, with a middle case made of a patented composite material combining volcanic ash, basalt-aluminum fibers, CaCO3 (calcium carbonate), and a bio-based resin containing 30% plant matter. The case of this watch also features Montblanc’s Oxygen technology, designed for high-altitude exploration and the significant temperature variations typical of these environments.
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Another distinctive feature of this watch is its color, inspired by the landscapes around Mount Elbrus. The dial is adorned with a white and brown sfumato effect on a glacier-patterned base, enhanced by touches of white on the hands, hour markers, and bezel markers, which glow orange in low light. The two spheres displaying the continents and the 24-hour hand at 9 o’clock feature blue luminescence, allowing for easy and visually appealing differentiation between local time and the reference country's time.
The bezel, with its light gray anodized aluminum insert, is decorated with luminescent cardinal points. The monochrome-look case is complemented by two interchangeable rubber straps, one ivory and the other light brown.
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The movement is powered by Montblanc’s self-winding caliber MB 29.25, with a 42-hour power reserve, an original dual-hemisphere world time function, a full dual time zone complication, and a date complication. Notably, the two hour hands, located on the main dial and the subdial at 9 o’clock respectively, can be set independently in one-hour increments, which proves very practical when crossing multiple time zones.
Despite its modern materials and finishes, as well as its complex movement, the style of the Montblanc 1858 Geosphere 0 Oxygen Mount Elbrouz Limited Edition 829 retains the 1930s-inspired look that characterizes all Geosphere models. The long cathedral hands, the notched bezel, and the classic case proportions all evoke Montblanc’s long tradition of accompanying explorers on their journeys.
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Since its launch, Montblanc’s 1858 Geosphere line has continued to celebrate the exploration of uncharted and challenging natural environments, including the Seven Summits, which encompass the highest mountains on all seven continents. These include Mount Everest in Asia, Aconcagua in South America, Denali in North America, Mount Kilimanjaro in Africa, Puncak Jaya in Australia, Mount Vinson in Antarctica, and Mount Elbrus in Europe.
The Montblanc 1858 Geosphere 0 Oxygen Mount Elbrus is dedicated to the second of the Seven Summits celebrated by Montblanc, following the launch of the Montblanc 1858 Geosphere 0 Oxygen Mount Vinson in🔗 2025.👇
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The laser-generated oxidation process allows for a near-photographic representation of Mount Elbrus on the case back, where its distinctive two peaks are clearly visible.
The case middle (on the other side of the crown) features a second illustration of Mount Elbrus's two peaks. Combined with the inherent patterns of this composite material, it creates an aesthetic reminiscent of ice, snow, and volcanic ash. The silhouette of Mount Elbrus is engraved onto the material, and then a white luminescent coating (which emits an orange glow in the dark) is applied by hand.
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The world time complication at the heart of the 1858 Geosphere features two rotating hemispheres. The upper hemisphere represents the Northern Hemisphere as seen from the North Pole, and the lower hemisphere its exact opposite as seen from the South Pole. These two globes rotate in opposite directions: the Northern Hemisphere rotates counterclockwise and the Southern Hemisphere clockwise to replicate the Earth's rotation. Each globe is surrounded by a 24-hour (AM/PM) indicator, allowing you to see the time at a glance anywhere in the world.
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The continents are represented in three dimensions (like a topographic map) and coated with a luminescent material that provides a luminous reference point in the dark. A closer look at the luminescent continents reveals eight black dots indicating the location of the highest peak on each continent, as well as Mont Blanc on the border between Italy and France. The Greenwich Meridian is indicated by a simple line, helping the wearer quickly orient the globes.
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The world time complication facilitates travel between multiple time zones thanks to the fully integrated dual time zone feature. The second time zone appears in a subdial at 9 o'clock and can be adjusted independently using the pusher located at 10 o'clock on the side of the middle case. Most users use this subdial to indicate the time in their home country (or the time zone that best suits their needs). The main hour hand can be advanced using the crown, allowing for quick adjustments when crossing time zones.
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The date displayed at 3 o'clock is synchronized with the time shown on the main dial. This convenient feature makes it easy to keep track of the time while traveling. Keeping track of the date is especially useful when crossing the International Date Line.
The Montblanc 1858 Geosphere 0 Oxygen Mount Elbrouz Limited Edition features Montblanc’s 0 Oxygen technology, which completely eliminates oxygen from inside the case. Technically, this helps reduce potentially adverse effects such as condensation, which can occur when the watch is worn in conditions with frequent extreme temperature variations.
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To ensure that all owners of previous 1858 Geosphere models can benefit from Montblanc’s 0 Oxygen technology, our Maison now offers a dedicated upgrade service in all Montblanc boutiques.
Another element pays homage to mountaineering: the embossed rope motif found on the two rubber straps supplied with the Montblanc 1858 Geosphere 0 Oxygen Mount Elbrouz Limited Edition 829, one ivory and the other light brown. The inside of the strap is adorned with embossed mountain range motifs, an aesthetic and practical feature that enhances breathability.
The quick-change mechanism allows for easy strap replacement without tools or spring bars, highlighting the inherent ease of use of the 1858 Geosphere watches, especially when traveling.
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Synonymous with excellence in refined craftsmanship and design, Montblanc has always been committed to pushing the boundaries of innovation since the Maison revolutionized writing culture in 1906. Ingenuity and imagination remain the driving forces behind the Maison, which continues to evolve the expression of the finest craftsmanship in its luxury product ranges: writing instruments, watches, leather goods, new technologies, and accessories. True to its mission of creating companions for life, born from bold ideas and made possible by the expertise of our specialists in the Maison's traditional techniques, the iconic Montblanc emblem has become synonymous with performance and quality, as well as the expression of sophisticated style.
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To convey its “Inspire Writing” message, the MONTBLANC HAUS, which opened in Hamburg in 2022, invites visitors from around the world to discover and rediscover the power of handwriting. As part of its ongoing commitment to uplifting and supporting those who strive to leave their mark, Montblanc continues to reaffirm its support for educational programs worldwide and initiatives that inspire people to reach their full potential.
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TECHNICAL SPECIFICATIONS
Model: 1858 Geosphere 0 Oxygen Mount Elbrouz Limited Edition 829
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Ref. Ident No. MB136353
Movement
Montblanc Manufacture Calibre MB 29.25 (with world time complications)
Movement type: self-winding mechanical movement with universal time display
Number of rubies: 26
Power reserve: about 42 hours
Balance wheel: flat ring
Frequency: 28,800 times/hour (4 Hz)
Hairspring: flat
Display: World time with turning northern and southern hemisphere globes, 24-hour scale and day/night indication; Date by disc
Case
CaCO3 and a bio-sourced resin containing 30% vegetable matter, white outline of Mount Vinson on the left side with orange emission
Bezel Titanium Bi-Directional Rotating Bezel, orange emission of Cardinal Points in Super-LumiNova®1
Crystal: Scratch-resistant, domed sapphire crystal with anti-reflective coating
Special joint that allow 0 oxygen inside the watchcase
Back: Titanium caseback with a 3D laser colour engraving of Mount Elbrus
Dimensions Diameter : 43.50 mm in diameter; 13.00 mm in thickness
Water resistance: about 100 meters (10 bar)
Crown: Fluted in titanium with Montblanc emblem in relief
Dial
White-brown sfumato glacier pattern dial with white luminescent rhodium-coated Arabic numerals and indexes, indices and cathedral-style hour and minute hands with orange-emission SLN
Second time zone counter at 9 o'clock with blue luminescent hand
Worldtime indications on rotating globes with 24-hour scale and two-tone day/night indications, black Greenwich meridians, raised continents and blue SLN - date window at 3 o'clock
Wristband
Material: Interchangeable light brown rubber strap with rope pattern and additional ivory rubber strap
Buckle type : Double-folding clasp with fine adjustment system
Certified by the Montblanc Laboratory Test 500
🔰Edition Edition
Limitation: 829 piece
🔴Prices € 10,100 / £ 9,400 / $ 10,600 💰
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Press releases - 2026
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