Cvstos Challenge Sealiner II Automatic Skeleton Dial Two-Tone Titanium Watch

Cvstos Challenge Sealiner II Automatic Skeleton Dial Two-Tone Titanium Watch

This striking Cvstos Challenge Sealiner II is in excellent pre-owned condition and ready to ship!

Cvstos is one of Switzerland's most distinctive independent watchmakers, founded in Geneva in 2005 with a design language unlike anything in mainstream horology. The Challenge Sealiner sits at the heart of the collection, a sport watch built around Cvstos's signature bullet-shaped case architecture and a genuine commitment to mechanical transparency. The skeletal movement is visible from both the front sapphire crystal and the exhibition caseback, giving the wearer an unobstructed view of the automatic rotor and decorated bridges at work. This particular example pairs a titanium case with rose gold accent screws and hardware, a combination that reads as bold without being ostentatious.

The Sealiner lineage was designed for the water, and the construction reflects that intent. The rubber strap is fitted with a branded Cvstos deployant clasp engraved on both sides, making it secure on the wrist during active wear. The blue-tinted skeletal dial draws the eye immediately, catching light across the open planes of the movement in a way that a solid dial simply cannot. The date complication sits integrated into the architecture without crowding the visual field. For a collector who wants something outside the usual roster of Swiss sport references, the Sealiner II is a rare find, particularly in this two-tone titanium configuration.

Each piece is fully inspected and authenticated by Diamonds by Raymond Lee in Boca Raton.

Eligible merchandise may be returned within 14 calendar days of delivery, subject to our Return & Refund Policy. Custom or special-order pieces, and items engraved, sized or otherwise modified at your request, are final sale.

To request return authorization, email inquiry@diamondsbyraymondlee.com within the return window. Items must be unworn, in their original condition, and include all original packaging, certificates, accessories and gift items. Ship the return using a tracked, insured service no later than the 14th day after delivery. Customers pay return shipping and insurance.

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