Montblanc 1858 Geosphere 0 Oxygen Carat_1.7 screw-down crown and caseback as

screw-down crown and caseback as well as its aluminum bezel ring

whose operation can be observed through the transparent case back

Roar ahead on the mythical Indy 500 circuit: the passion for racing comes to the fore in this energetic timepiece

Red-tipped central chronograph seconds hand

White dial with painted Arabic numerals and silver-tone hands

Montblanc 1858 Geosphere 0 Oxygen Carat_1.7 screw-down crown and caseback asCapturing the spirit of mountain exploration, the sfumato green glacier pattern dial of this Montblanc 1858 Geosphere 0 Oxygen is inspired by the deep green colour of the emerald icebergs or jade bergs. The timepiece is housed in a 42 mm stainless steel case totally devoid of oxygen with a fluted bi directional green anodized aluminium bezel with luminescent cardinal points. Powered by the MB 29. 25 calibre with Montblancs Manufacture worldtime