The Titanium Field GuidePicks of the month

Roger Dubuis Excalibur Monotourbillon 42mm (dark grey DLC titanium)

RDDBEX0889

The Roger Dubuis Excalibur Monotourbillon 42mm (dark grey DLC titanium) is a 42 mm Grade 5 titanium watch with a Roger Dubuis RD512 hand-wound movement. At a list price of $167,500, it costs more than 96% of the 1,382 titanium watches in production.

All Roger Dubuis watchesOther watchesGrade 5 titaniumTourbillonDisplay back
Price
$167,500
Material
Titanium
Grade / type
Grade 5
Water resistance
100 m
Reference
RDDBEX0889
Type
Other
Case diameter
42.0 mm
Origin
Switzerland
Movement
Manual skeleton tourbillon
Caliber
Roger Dubuis RD512
Power reserve
72 h
Complications
Tourbillon
Colour
Grey
Surface treatment
Dark grey DLC titanium
Finish technology
DLC
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Black calf leather strap (Quick Release System)
Crystal
Sapphire
Display back
Yes
Dial
Dark grey double surface flange with engraved minute track and transferred texts, polished and Rhodium plated hour markers with Super-LumiNova in the center
Dial colours
Silver Grey
Availability
Offered
Status
Current
Not published
Thickness, Lug-to-lug, Weight, Hardness, Construction, Matching bracelet, Lume
High confidence Verified Sep 2026 Source: Roger Dubuis (maker)
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Frequently asked questions

What grade of titanium is the Roger Dubuis Excalibur Monotourbillon 42mm (dark grey DLC titanium)?

Grade 5, as stated by the maker. The caseback is titanium too.

What size is the Roger Dubuis Excalibur Monotourbillon 42mm (dark grey DLC titanium)?

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

How much does the Roger Dubuis Excalibur Monotourbillon 42mm (dark grey DLC titanium) cost, and is it available?

It is in production, at a list price of $167,500.

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