The Blancpain Fifty Fathoms Tourbillon 8 Jours Ref. 5025-12B40-NAOA is a rarefied expression of underwater engineering and haute horlogerie. Crafted from satin-brushed grade 23 Titanium, the 45mm case offers an ideal fusion of lightweight wearability and exceptional durability—attributes essential for a high-performance diving instrument. The deep sunray blue Dial, rich with maritime character, is framed by a sapphire-capped unidirectional bezel with a fully graduated 60-minute scale, offering both a functional diving aid and a refined aesthetic touch. Dominating the upper half of the Dial is a breathtaking flying tourbillon at 12 o’clock—a marvel of mechanical ingenuity that appears to float, unobstructed by traditional bridges. This showcase of precision is powered by Blancpain’s in-house Caliber 25C, an automatic movement built to the brand’s uncompromising standards. Beating at a steady 3 Hz and offering an extraordinary 192-hour (8-day) power reserve, this caliber represents a perfect blend of endurance and elegance. Its intricate decoration and openworked rotor can be admired through the transparent caseback, revealing the craftsmanship typically hidden beneath the surface. True to the Fifty Fathoms lineage, this timepiece is built for extreme conditions, offering water resistance up to 300 meters. The watch remains remarkably clean in its design—absent of a power reserve indicator to preserve the visual purity of the Dial and let the tourbillon remain the undisputed focal point. The Titanium case enhances resistance to corrosion and minimizes weight, while the reinforced crown and robust construction ensure reliability in professional diving scenarios. Completing the ensemble is a deep blue NATO strap, paired with a matching Titanium pin buckle. Durable, breathable, and aesthetically aligned with the case and Dial, it reflects Blancpain’s thoughtful integration of luxury and utility. The Fifty Fathoms Tourbillon 8 Jours Ref. 5025-12B40-NAOA is more than a timepiece—it is a masterwork of horological art, built for those who demand peak performance without sacrificing elegance.

Your deBoulle order will arrive securely via courier, requiring an adult's signature and ID upon delivery. Currently, we can't offer specific time slots, but you'll receive tracking details and estimated delivery dates via email. Delivery within the United States is complimentary. Items are discreetly packaged in branded deBoulle boxes with unmarked external packaging for security. If missed, deliveries can be rescheduled through our Ambassador or courier directly. You can also opt for in-store collection at our Dallas or Houston locations, where you or an authorized individual can pick up your order with proper identification and order confirmation.

Returns or exchanges of your online order can be made within 30 days, either by contacting a deBoulle Ambassador to arrange complimentary online collection or by visiting our Dallas or Houston stores. All returns and exchanges require items to pass a quality control inspection, and refunds typically appear within 10 business days. Customized, bespoke, engraved, or preowned timepieces cannot be returned or exchanged. Gift recipients may return or exchange items, though refunds will be credited to the original purchaser. Items must be unworn, pristine, and include original packaging and certificates.