The Titanium Field Guide

Armin Strom One Week Skeleton Titanium

TI25-OW.75

The Armin Strom One Week Skeleton Titanium is a current-production integrated bracelet watch with a Grade 5 titanium case, finished with brushed and polished titanium. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

Titanium integrated bracelet watchesGrade 5 titaniumPower reserveDisplay back
Titanium
Grade 5
Water resistance
100 m
Nickel-free
Yes
Reference
TI25-OW.75
Type
Integrated bracelet
Price
– · approx CHF 39,000; limited edition of 100
Case diameter
41.0 mm
Origin
Switzerland
Movement
Manual skeleton (8-day)
Caliber
Armin Strom ASB19
Power reserve
8 days
Complications
Power reserve
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
Brushed and polished titanium
Caseback
Sapphire
Bracelet / strap
Titanium
Crystal
Sapphire
Display back
Yes
Dial
Skeletonised
Availability
Offered
Status
Limited edition of 100
Not published
Thickness, Lug-to-lug, Weight, Titanium bracelet, Lume Help verify
High confidence Verified Jun 2026 Source: Armin Strom Maker / listing ↗
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Frequently asked questions

Is the Armin Strom One Week Skeleton Titanium nickel-free?

Yes. Nothing nickel-bearing touches the skin: a Grade 5 titanium case with a sapphire caseback, plus a non-steel crown and bracelet and clasp. The Titanium Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

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

The Armin Strom One Week Skeleton Titanium has a Grade 5 titanium case with a sapphire caseback. This is confirmed against the maker spec.

What size is the Armin Strom One Week Skeleton Titanium?

It is 41.0 mm in diameter, and water resistant to 100 m.

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

It is current-production; the guide does not list a price for it.

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