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Armin Strom One Week Skeleton Titanium

TI25-OW.75

The Armin Strom One Week Skeleton Titanium is a 41 mm Grade 5 titanium integrated-bracelet sports watch with an Armin Strom ARM21-S hand-wound movement. With a 168-hour power reserve, no other mechanical titanium integrated-bracelet sports watch with a stated reserve runs longer, out of 107.

All Armin Strom watchesIntegrated-bracelet watchesUnder 11 mm thickGrade 5 titaniumOn a titanium braceletDisplay back
Price
$51,000
Material
Titanium
Grade / type
Grade 5
Water resistance
100 m
Reference
TI25-OW.75
Type
Integrated bracelet
Case diameter
41.0 mm
Thickness
10.6 mm
Lug-to-lug
44.35 mm
Origin
Switzerland
Movement
Manual-winding skeleton, double going barrel
Caliber
Armin Strom ARM21-S
Power reserve
7 days
Complications
Time only
Colour
Grey
Surface treatment
Brushed and polished titanium
Finish technology
Natural finish
Caseback
Titanium (sapphire display window)
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Titanium bracelet with a double-folding clasp
Matching bracelet
Standard
Crystal
Sapphire with anti-reflective treatment
Display back
Yes
Dial
Skeletonised, with a black minute ring and a skeletonised small-seconds dial, indexes filled with Super-LumiNova
Dial colours
Black
Lume
Super-LumiNova
Availability
Offered
Status
Limited edition of 100
Not published
Weight, Hardness, Construction
High confidence Verified Oct 2026 Source: Armin Strom (maker product page) / Armin Strom (maker, calibre ARM21-S) Spec checksGrade Aug 2026Price Aug 2026
Facts are free to cite with a link.
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Alternatives to the Armin Strom One Week Skeleton Titanium

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Armin StromSkeleton Pure Carbon$54,06546.8 mm13.2 mm thickOther

Frequently asked questions

What grade of titanium is the Armin Strom One Week Skeleton Titanium?

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

What size is the Armin Strom One Week Skeleton Titanium?

The case is 41 mm across, 10.6 mm thick and 44.35 mm from lug to lug. It is water resistant to 100 m.

How much does the Armin Strom One Week Skeleton Titanium cost, and is it available?

It is in production, at a list price of $51,000.

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