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Montblanc 1858 Geosphere 42mm Titanium (strap)

125565 Archive · used only

The Montblanc 1858 Geosphere 42mm Titanium (strap) was a 42 mm Grade 5 titanium watch with a Montblanc MB 29.25 automatic movement. It is no longer made, so this page is a reference for buying one used.

All Montblanc watchesOther watchesGrade 5 titaniumWorldtimerDisplay back
Price
≈$6,311 (€5,600)
Material
Titanium
Grade / type
Grade 5
Water resistance
100 m
Reference
125565
Type
Other
Case diameter
42.0 mm
Thickness
12.8 mm
Origin
Germany
Movement
Automatic (worldtime)
Caliber
Montblanc MB 29.25
Power reserve
42 h
Complications
Worldtimer, Date
Colour
Grey
Surface treatment
Satin and polished; ceramic bezel
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Calfskin strap
Crystal
Sapphire
Display back
Yes
Dial
Blue
Dial colours
Blue
Lume
Super-LumiNova
Availability
No longer offered
Status
Discontinued (no live maker page; line moved to 1858 Geosphere 0 Oxygen)
Not published
Lug-to-lug, Weight, Hardness, Construction, Matching bracelet
Medium confidence Verified Jul 2026 Source: Montblanc
Facts are free to cite with a link.
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Alternatives to the Montblanc 1858 Geosphere 42mm Titanium (strap)

Porsche Design 1919 Globetimer (Titanium)Porsche Design1919 Globetimer (Titanium)$6,35042.0 mm14.9 mm thickOthersame category · same style · shared complications · similar priceHorage Lensman 2 GlobeHorageLensman 2 Globe$6,54839.0 mm9.98 mm thickOthersame category · same style · shared complications · similar priceSeiko Prospex LX Line SNR025SeikoProspex LX Line SNR025$5,00044.8 mm14.7 mm thick158 gOthersame category · same style · shared complications · similar priceSeiko Prospex LX Line Spring Drive GMT Titanium (SNR035)SeikoProspex LX Line Spring Drive GMT Titanium (SNR035)$5,25044.8 mmOthersame category · same style · shared complications · similar priceSeiko Prospex LX Line SNR033SeikoProspex LX Line SNR033$6,00044.8 mm14.7 mm thick146 gOthersame category · same style · shared complications · similar priceSeiko Prospex LX Line SNR051SeikoProspex LX Line SNR051$6,00044.8 mm14.7 mm thickOthersame category · same style · shared complications · similar price

More watches from Montblanc

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Montblanc1858 Geosphere Bronze$6,10042.0 mm12.8 mm thickField
Montblanc1858 Monopusher Chronograph Limited Edition–42.0 mm14.7 mm thickChronograph

Frequently asked questions

What grade of titanium is the Montblanc 1858 Geosphere 42mm Titanium (strap)?

Grade 5, from a secondary source. The guide has not yet read the grade on the maker's own page. The caseback is titanium too.

What size is the Montblanc 1858 Geosphere 42mm Titanium (strap)?

The case is 42 mm across and 12.8 mm thick. It is water resistant to 100 m.

How much does the Montblanc 1858 Geosphere 42mm Titanium (strap) cost, and is it available?

It is no longer made, so the only way to buy one is used. Its list price when it was in production was $6,311.

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