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MB&F LM Thunderdome Tantalum (The Hour Glass)

Archive · used only

The MB&F LM Thunderdome Tantalum (The Hour Glass) was a 44 mm tantalum watch with an automatic movement. At 44 mm across, no other tantalum watch in the guide is larger, out of 32. It is no longer made, so this page is a reference for buying one used.

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Price
$295,000
Material
Tantalum
Grade / type
Tantalum
Water resistance
30 m
Type
Other
Case diameter
44.0 mm
Origin
Switzerland
Movement
Automatic, triple-axis tourbillon
Complications
Tourbillon
Colour
Grey
Construction
Assembled
Finish technology
Natural finish
Caseback
Sapphire
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather strap
Crystal
Sapphire
Display back
Yes
Dial
Openworked (fastest tourbillon)
Availability
No longer offered
Status
Archive (10 pieces, sold out)
Not published
Reference, Thickness, Lug-to-lug, Weight, Caliber, Power reserve, Hardness, Surface treatment, Matching bracelet, Lume
Medium confidence Verified Oct 2026 Source: MB&F (maker) / Revolution Spec checksCase material Jul 2026Price Jul 2026
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the MB&F LM Thunderdome Tantalum (The Hour Glass) made of?

The case is tantalum. The guide has not yet confirmed it on the maker's own page. The caseback is sapphire.

What size is the MB&F LM Thunderdome Tantalum (The Hour Glass)?

The case is 44 mm across. It is water resistant to 30 m.

How much does the MB&F LM Thunderdome Tantalum (The Hour Glass) 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 $295,000.

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