Description
The Cvstos Challenge Sealiner, reference CVT-SEA2-KAMINE BST, is an exceptionally rare and visually striking timepiece that showcases the brand’s commitment to avant-garde design, technical innovation, and exclusivity. Inspired by the world of luxury yachting, the Sealiner collection embodies the spirit of high-performance marine engineering, combining bold architecture with contemporary Swiss watchmaking. Produced in an ultra-exclusive limited edition of just 10 pieces worldwide, this reference represents a rare opportunity to acquire a watch that few collectors will ever encounter.
The tonneau-shaped case features the distinctive three-dimensional construction for which Cvstos has become renowned, with every element designed to evoke the sleek lines and technical sophistication of a modern luxury yacht. The open-worked dial reveals the intricate mechanical architecture beneath, creating exceptional depth and visual drama while maintaining impressive legibility. Paired with a crisp white rubber strap, the watch delivers a fresh, sporty aesthetic that perfectly complements its maritime inspiration and exclusive character.
At its heart beats a high-grade Swiss automatic movement, meticulously engineered to provide reliable performance and precision timekeeping. Visible through the sapphire crystal and exhibition caseback, the movement forms an integral part of the watch’s design, allowing the wearer to appreciate the technical artistry and mechanical complexity that define the Cvstos philosophy. The combination of innovative case construction, architectural dial design, and fine Swiss mechanics makes the Sealiner a true statement piece for discerning collectors.
Presented in mint condition and accompanied by its complete set, this Cvstos Challenge Sealiner CVT-SEA2-KAMINE BST is an extraordinary collector’s piece. With a production limited to only 10 examples worldwide, its rarity is matched by its bold presence, technical sophistication, and unmistakable design. For collectors seeking something genuinely exclusive and far removed from mainstream luxury watchmaking, the Challenge Sealiner represents a compelling and highly desirable acquisition.
Functions: Hours, Minutes, Seconds, Skeletonised Date. This preowned luxury CVSTOS Challenge Sealiner II has been referenced against technical documents and manufacturer records were available to ensure authenticity and a clean history. Mint condition with original CVSTOS box and papers. Preowned. Backed by a 12-month Grand Timepiece warranty. Style: Luxury. Model: CVT-SEA2-KAMINE-BST Photos of the actual watch!
Accompanying your purchase is a tax invoice and a valuation certificate for Insurance purposes. All our products have full provenance and will be accompanied by their original box and papers where possible or service papers by the Brand itself. Our watches are sold with a 12 Months Warranty or alternatively the balance of manufacturer’s warranty where applicable. We have been selling pre-owned luxury timepieces since 2015 and do all our due diligence to ensure the timepieces are authentic and have a clean history.




















