1858 Geosphere 0 Oxygen Limited Edition 42 mm, bronze with blue calfskin strap, self-winding caliber MB 29.25 with date display | Reference Number MB000056

Let's climb the world's highest peaks! Limited to just 1,786 pieces, the Montblanc 1858 Geosphere 0 Oxygen Limited Edition (Ref. 129415) is made of bronze and is completely oxygen-free to maintain the performance and precision of the manufacture caliber MB 29.25 even in harsh climates. In addition to the date, the 42-millimeter timepiece, which is water-resistant to 100 meters, reliably displays world time on its rotating northern and southern hemispheres. The bidirectional rotating notched ceramic bezel also displays the points of the compass for easy orientation outdoors. The design is also visually striking: thanks to the Gratté Boisé technique, the blue dial appears to be covered in a layer of ice. A power reserve of up to 42 hours, the selective use of luminescent material and a blue Sfumato calfskin strap make this model a much sought-after mountaineering watch that is sure to succeed on any ascent.