The Bronze 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 measures 42.0 mm across, 12.8 mm thick, and is water resistant to 100 m. Inside is the MB 29.25 automatic worldtime (dual rotating globes) movement, with 42 hours power reserve. Complications: Worldtimer, Date. Priced from $6,100 (approx). Brand origin: Germany. No longer offered new; listed here as an archive reference for the used market.

Bronze field watches
Reference
MB119909
Type
Field
Price
$6,100 · approx
Case diameter
42.0 mm
Thickness
12.8 mm
Lug-to-lug
–
Water resistance
100 m
Weight
–
Origin
Germany
Movement
Automatic worldtime (dual rotating globes)
Caliber
MB 29.25
Power reserve
42 hours
Complications
Worldtimer, Date
Ceramic
Bronze (grade not stated)
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Titanium
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Green/brown leather or textile strap
Ceramic bracelet
–
Crystal
Sapphire (domed box)
Display back
No
Dial
Khaki green / blue gradient
Lume
Super-LumiNova
Availability
No longer offered
Status
Archive (limited to 1858 pieces)
Medium confidence Verified Jul 2026 Source: Montblanc / aBlogtoWatch Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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More bronze watches from Montblanc

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Frequently asked questions

What bronze alloy is 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 alloy.

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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