Montblanc 1858 Geosphere 0 Oxygen South Pole Exploration Limited Edition - 1990 pieces


This Montblanc 1858 Geosphere limited edition to 1990 pieces has taken its inspiration from the South Pole explorations on the Antarctic continent. The watch is powered by Montblanc’s automatic movement with Manufacture Worldtime complication – the Calibre MB 29.25 – that indicates the time around the world thought distinctive luminescent turning globes ; it also indicate day & night displays, a dual time, and a date. Housed in an ultralight 42mm titanium case completely devoid of oxygen. This has several advantages for explorers by eliminating fogging and preventing oxidization, thus allowing the movement to last far longer with greater precision. The timepiece is fitted with an iced blue sfumato glacier pattern dial and matching coloured bi-directional anodized aluminum bezel and is available with an interchangeable tapered bracelet with a fine adjustment system and a grey textile strap with a rope pattern. On the case back, is a 3D laser engraving of a frozen landscape with the Aurora Australis.


Movement Type
Automatic, self-winding

Movement Calibre
MB 29.25

Rubis Jewels
26 Jewels

Flat hairspring




Dial Description
Sfumato iced blue glacier pattern dial with white luminescent rhodium-coated Arabic numerals and indexes

Bezel Type
Bi-directional turning bezel

Anti-Scratch Crystal

Crystal Shape

Crystal Description
Domed sapphire crystal with anti-reflective coating

Crystal Type

Fluted in titanium with Montblanc emblem in relief

Distance between Horns
22 mm

Bezel Color

Water Resistant
10 bar (100 m) bar

Case Back Material
Titanium case without oxygen

Bracelet Color

Case Diameter 
42 mm

Bezel Material
Stainless steel 

A $15.00 shipping fee will be applied to all orders below $100. Shipping will be complimentary for orders above $100. A $25 shipping fee will be applied to all Expedited orders. Delivery costs will be charged by Montblanc, in addition to the price of the Montblanc products themselves. For certain promotional phases, complimentary shipping may be offered.

*Due to high volume during holiday period, shipping carriers may experience delays. We strive to ship your parcel on the day of your order, we are unable to guarantee the carrier’s timelines. We thank you for your patience.


All returns must be received within 14 days following the date the order was received. You may return your items in one of our boutiques located in Quebec, see Boutique Finder below. We do not cover the cost of sending back a return/exchange and original shipping paid cannot be refunded. All returns are subject to inspection and damaged or used items will not be refunded. Gift cards are non refundable.

All final sale items cannot be returned or exchanged. Should there be any issue with your item, please contact us at within 48 hours of delivery.

Learn more about our easy return policy here.

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