Montblanc 1858 Géosphère 0 Oxygen Carbo2 Only Watch Unique Piece
Montblanc has eyes set on Mount Everest with its latest Montblanc 1858 Geosphere Chronograph 0 Oxygen LE290. The case is literally void of oxygen to prevent fogging and oxidation in sub-zero temperatures and extreme altitudes. The brand isn’t just claiming this but enlisting mountaineer Nimsdai Purja to wear this new chronograph version of the Geosphere […]