The Titanium Field Guide

Montblanc 1858 Geosphere Bronze

MB119909 Archive · used only

The Montblanc 1858 Geosphere Bronze is a discontinued field watch with a bronze (grade not stated) case. It is priced well above the $499 median for the category. No longer offered new; listed here as an archive reference for the used market.

All Montblanc watchesExotic-material field watchesWorldtimer
Price
$6,100
Material
Bronze
Grade / type
Bronze (grade not stated)
Water resistance
100 m
Reference
MB119909
Type
Field
Case diameter
42.0 mm
Thickness
12.8 mm
Origin
Germany
Movement
Automatic worldtime (dual rotating globes)
Caliber
MB 29.25
Power reserve
42 hours
Complications
Worldtimer, Date
Construction
Assembled
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Green/brown leather or textile strap
Crystal
Sapphire (domed box)
Display back
No
Dial
Khaki green / blue gradient
Dial colours
Blue Green
Lume
Super-LumiNova
Availability
No longer offered
Status
Archive (limited to 1858 pieces)
Not published
Lug-to-lug, Weight, Colour, Hardness, Surface treatment, Matching bracelet
Medium confidence Verified Jul 2026 Source: Montblanc / aBlogtoWatch
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Montblanc 1858 Geosphere Bronze?

The Montblanc 1858 Geosphere Bronze has a bronze (grade not stated) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Montblanc 1858 Geosphere Bronze?

It is 42.0 mm in diameter, 12.8 mm thick, and water resistant to 100 m.

How much does the Montblanc 1858 Geosphere Bronze cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market, and it listed from $6,100 when current.

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