Engineered for extreme conditions and boasting a captivating connection to high-altitude mountaineering, the Montblanc Geosphere Chronograph “Zero Oxygen” Edition is a truly compelling timepiece for the discerning collector.
Assembled without oxygen to prevent fogging and oxidation, it mirrors the low-oxygen environments of the world’s highest peaks—such as those conquered by Nepalese mountaineer and Montblanc ambassador Nimsdai Purja in 2019. The star of the acclaimed documentary 14 Peaks: Nothing Is Impossible, which chronicles his record-breaking ascent of all fourteen 8,000-meter summits in just seven months, Purja’s story resonates with authenticity. His extraordinary achievements are further honored by the engraving of Mount Everest on the watch’s caseback.
At the heart of this remarkable timepiece lies the intricate Manufacture Calibre MB 29.27, featuring a chronograph function, date display, 30-minute counter, and 12-hour counter. Adding a distinctive horological flourish are the rotating Northern and Southern Hemisphere globes positioned at 12 and 6 o’clock, accompanied by a 24-hour scale and day/night indication—precisely the kind of features a high-altitude adventurer would value.
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Movement: The movement is ticking at the time of cataloguing and all functions are working; however, a service is recommended. Christie’s does not guarantee the future working of the movement. Case: The case is in very good condition, with some scratches. Marks on the left side of the case and near the crown. The case back shows signs of wear. Dial: Excellent Buckle Clasp: Some signs of wear. Overall condition: Very good
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