Montblanc 1858 Geosphere 0 Oxygen Mount Elbrouz Limited Edition

The Montblanc 1858 Geosphere 0 Oxygen Mount Elbrouz Limited Edition is a 43.5 mm titanium field watch with a Montblanc MB 29.25 automatic movement. At a list price of $10,600, only one of the 110 other titanium field watches in production costs more. At 43.5 mm across, it is larger than 94% of the 136 titanium field watches in the guide.

5 official photos · reader photos welcome

Price

$10,600

Material

Titanium

Grade / type

Titanium (grade undisclosed)

Water resistance

100 m

Reference

MB136353

Type

Field

Case diameter

43.5 mm

Thickness

13 mm

Origin

Germany

Movement

Automatic worldtimer with a second time zone and day/night indication

Caliber

Montblanc MB 29.25 (Sellita SW300-1 base, in-house worldtime module)

Power reserve

42 h

Complications

Worldtimer, GMT, Date

Colour

Grey

Surface treatment

Titanium upper and lower case with a proprietary composite midcase of volcanic ash, aluminised basalt fibres, calcium carbonate and a bio-sourced resin; bidirectional bezel with a knurled grey anodised aluminium insert; case sealed in a nitrogen-filled oxygen-free tank

Finish technology

Natural finish

Caseback

Titanium

Nickel-free

No (steel contact)

Bracelet / strap

Two interchangeable rubber straps, ivory and light brown, on a double folding clasp; 22 mm lugs

Crystal

Domed sapphire, AR coated

Display back

No

Dial

White-brown sfumato glacier pattern

Dial colours

White Brown

Lume

Super-LumiNova, orange emission on the hands and blue on the worldtime continents

Availability

Offered

Status

Limited edition (829 pieces)

Not published

Lug-to-lug, Weight, Hardness, Construction, Matching bracelet

Medium confidence Verified Aug 2026 Source: Montblanc (maker product page) / Monochrome (hands-on)

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