Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium)

The Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium) is a 42 mm titanium field watch with a Montblanc MB 29.25 automatic movement. At a list price of $6,800, only two of the 113 other titanium field watches in production cost more.

7 official photos · reader photos welcome

Price

$6,800

Material

Titanium

Grade / type

Titanium (grade undisclosed)

Water resistance

100 m

Reference

MB130982

Type

Field

Case diameter

42.0 mm

Origin

Germany

Movement

Automatic worldtimer (dual time, day/night)

Caliber

Montblanc MB 29.25

Power reserve

~42 h

Complications

Worldtimer, GMT, Date

Colour

Grey

Surface treatment

None

Finish technology

Natural finish

Caseback

Titanium

Nickel-free

Unconfirmed (clasp or buckle material not confirmed)

Bracelet / strap

Titanium bracelet

Matching bracelet

Standard

Micro-adjust clasp

Yes

Crystal

Domed sapphire, AR coated

Display back

No

Dial

Sfumato grey glacier

Dial colours

Grey

Lume

Super-LumiNova

Availability

Offered

Status

Current

Not published

Thickness, Lug-to-lug, Weight, Hardness, Construction

High confidence Verified Aug 2026 Source: Montblanc (maker product page) Maker ↗

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Montblanc1858 Geosphere 42mm Titanium (bracelet)$6,64942.0 mm12.8 mm thickOtherMontblanc1858 Geosphere 0 Oxygen Mount Elbrouz Limited Edition$10,60043.5 mm13 mm thickField

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