This first Montblanc 1858 Geosphere 0 Oxygen timepiece is powered by the MB 29.25 automatic movement with Manufacture worldtime complication and a 42-hour power reserve, which includes rotating Northern and Southern Hemisphere globes, a 24-hour scale, Day & Night indications, dual time display, and a date.
Specifications
Case
Glass
Scratch-resistant, domed sapphire crystal with double anti-reflective coating
Case Back
Titanium caseback with a 3D laser colour engraving of the Mont Blanc mountain
Case Material
Stainless steel
Bezel Material
Bi-directional stainless steel and green anodized aluminium bezel
Diameter
42mm
Water Resistance
10 bar (100m)
Thickness
12.8mm
Dial
Colour
Sfumato green glacier pattern
Hour Markers
white luminescent rhodium-coated Arabic numerals and indexes
Hands
white luminescent rhodium-coated hours and minutes hands, white luminescent dual time hand,
Power Reserve
Approx. 42 hours
Movement and Functions
Movement
Automatic movement with Manufacture worldtime complication
Caliber
Calibre MB 29.25 with Manufacture worldtime complication
Strap
Material
stainless steel
Buckle
taper and double-folding clasp with fine adjustment system
