Arken Alterum
The Arken Alterum is a current-production integrated bracelet watch with a grade 2 (treated) titanium case, finished with blasted. At 72 g it sits among the lighter integrated bracelet watches in the guide, and is priced well under the $13,300 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.
- Type
- Integrated bracelet
- Case diameter
- 40.0 mm
- Thickness
- 13 mm
- Lug-to-lug
- 46 mm
- Origin
- United Kingdom
- Movement
- Automatic (dual-time)
- Caliber
- Arken ARK-9015DT (Miyota 9015 base)
- Power reserve
- 42 h
- Complications
- GMT
- Colour
- Grey
- Surface treatment
- Blasted
- Caseback
- Titanium
- Nickel-free
- Yes
- Bracelet / strap
- Titanium (integrated) / nylon
- Matching bracelet
- Standard
- Crystal
- Sapphire
- Display back
- No
- Dial
- Grey / multiple
- Dial colours
- Grey
- Lume
- Super-LumiNova BGW9
- Availability
- Offered
- Status
- Current (pre-order; delivery Q4 2026 to Q2 2027)
- Not published
- Reference, Hardness, Construction
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Is the Arken Alterum nickel-free?
Yes. Nothing nickel-bearing touches the skin: a grade 2 (treated) titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.
What is the case material of the Arken Alterum?
The Arken Alterum has a grade 2 (treated) titanium case with a titanium caseback. This is confirmed against the maker spec.
What size is the Arken Alterum?
It is 40.0 mm in diameter, 13 mm thick, 46 mm lug to lug, and water resistant to 200 m.
How much does the Arken Alterum weigh?
About 72 g (w/ bracelet).
How much does the Arken Alterum cost, and is it available?
It is current-production and lists from $800.
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