The Wristwatch Field Guide

Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium)

MB130982

The Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium) is a current-production field watch with a grey titanium (grade undisclosed) case. It measures 42.0 mm across, and is water resistant to 100 m. Inside is the Montblanc MB 29.25 automatic worldtimer (dual time, day/night) movement, with ~42 h power reserve. Complications: Worldtimer, GMT, Date. Priced from $6,800 (approx). Brand origin: Germany.

Titanium and ceramic field watchesTitaniumGMT
Reference
MB130982
Type
Field
Price
$6,800 · approx
Case diameter
42.0 mm
Thickness
Lug-to-lug
Water resistance
100 m
Weight
Origin
Germany
Movement
Automatic worldtimer (dual time, day/night)
Caliber
Montblanc MB 29.25
Power reserve
~42 h
Complications
Worldtimer, GMT, Date
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Colour
Grey
Hardness
Construction
Surface treatment
None
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Titanium bracelet
Matching bracelet
Standard
Crystal
Domed sapphire, AR coated
Display back
No
Dial
Sfumato grey glacier
Lume
Super-LumiNova
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Monochrome Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

Similar titanium and ceramic watches

Alternatives to the Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium)

More titanium and ceramic watches from Montblanc

Frequently asked questions

Is the Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium) nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grey titanium (grade undisclosed) case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What is the case material of the Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium)?

The Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium) has a grey titanium (grade undisclosed) case with a titanium caseback. This is confirmed against the maker spec.

What size is the Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium)?

It is 42.0 mm in diameter, and water resistant to 100 m.

How much does the Montblanc 1858 Geosphere 0 Oxygen The 8000 (Titanium) cost, and is it available?

It is current-production and lists from $6,800.

All titanium and ceramic Montblanc watches · Titanium and ceramic field watches · All 1040 watches

Learn: Titanium vs Ceramic · Ceramized Titanium