Montblanc's pioneering timekeeping technologies are uniquely linked to real-world trailblazers - alpinists who scale the world's highest peaks inspired this '1858 Geosphere 0 Oxygen The 8000' watch. As the name suggests, its titanium construction is devoid of oxygen to eliminate fogging and prevent oxidization, maintaining the precision of the MB 29.25 automatic movement. It boasts world time, day and night, dual time display, and date complications. Turn it over to reveal the intricate laser-engraved back, depicting the infamous K2 Mountain. For warranty information, please refer to details & care