New
Timekeepers Club / April 1, 2025

Armin Strom One Week Titanium Skeleton

Armin Strom introduces the One Week Skeleton with a titanium grade 5 case and a fully integrated bracelet.

When One Week feels lighter than certain days

The Armin Strom One Week Titanium Skeleton, an openworked masterpiece now fully skeletonized to reveal the intricate heart of its mechanics, combines striking design with precision engineering. Encased in lightweight titanium grade 5, it balances strength with comfort, providing a feeling of lightness that makes it easy to wear all week long.

The Armin Strom One Week Titanium Skeleton is a showcase of skeletonization, a technique that is rooted in Mr. Armin Strom’s philosophy and heritage. He sought to enhance depth and three-dimensionality while avoiding see-through to maintain elegance.

The 2023 One Week was already openworked by nature, but this version goes even further, removing more material to highlight the movement’s complexity. Few watches combine openworking and skeletonization at this level. The small seconds dial is skeletonized, revealing the power reserve level and the escapement wheel for a 3D mechanical animation. The mainplate and the barrels are also skeletonized enhancing aesthetics. Thanks to this skeletonization, the power reserve indicator is highlighted as well as the cone mechanism, reminiscent of ancient pocket watches. A major highlight is the case back, offering a mesmerizing view of the entire mechanism.

With a 7-day power reserve, this watch keeps time accurate for an entire week without needing winding. The hand-finished details reflect the level of craftsmanship behind its design. Limited to 100 pieces, the One Week Titanium Skeleton offers a refined, functional timepiece that blends robustness and comfort in a minimalist package.

Technical specifications


Armin Strom One Week - Titanium Skeleton

Reference: TI25-OW.75

Limited edition of 100 pieces

Case

  • Material: Titanium
  • Sapphire crystal and case back with anti-reflective treatment
  • Diameter: 41.00 mm
  • Thickness: 10.60 mm
  • Lug-to-Lug: 44.35 mm
  • Water-resistant to 10 ATM

Dial and hands

  • Black minute ring and skeletonized small-second dial, indexes with Super-LumiNova® filling
  • Hands: Rhodium, facetted and polished with Super-LumiNova® filling

Movement

  • Armin Strom Manufacture Calibre ARM21-S
  • Manual winding movement
  • Dimensions: 36.60 mm × 6.00 mm
  • Functions: Conical power reserve mechanism
  • Regulating system: Balance wheel with 4 regulating screws
  • Frequency: 3.5 Hz (25,200 vibrations per hour)
  • Number of jewels: 35
  • Number of parts: 194
  • Power reserve of 7 days

Functions/Indications

  • Hours, minutes, small seconds, power reserve indicator

Strap and buckle

  • Titanium bracelet with a double-folding clasp

MSRP: CHF 39'000

For more information, please visit arminstrom.com

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