Bvlgari’s 1.85mm Marvel: The Octo Finissimo Ultra Tourbillon Redefines the Limits of Watchmaking

When it comes to ultra-thin horology, Bvlgari isn’t just a participant—it’s the reigning master. With the launch of the Octo Finissimo Ultra Tourbillon, unveiled at Watches & Wonders 2025, the Roman maison once again bends the rules of mechanical watchmaking. Measuring an astonishing 1.85 mm thick, this is officially the current world’s thinnest tourbillon watch, marking Bvlgari’s 10th world record in the Finissimo saga.

The Octo Finissimo collection has become synonymous with the word record. Since 2014, Bvlgari has redefined the concept of thinness across multiple complications—automatic, minute repeater, chronograph, and perpetual calendar. Each milestone has been a calculated strike in the brand’s ongoing quest to fuse design purity with mechanical prowess.

The new Ultra Tourbillon takes this ambition to its logical extreme. In an age where watchmakers chase complications, Bvlgari dares to chase dimensions.

Creating a mechanical watch under 2 mm thick is no mere feat of miniaturization—it’s an architectural revolution. Inside the BVL 900 calibre, every gear, bridge, and bearing has been reimagined to exist in nearly two dimensions.

Here’s how Bvlgari achieved the unthinkable:

• Integrated architecture: The case back itself serves as the main plate, crafted from tungsten carbide for rigidity.
• Skeletonized flying tourbillon: A minimalist marvel that floats within the structure, visually anchoring the watch’s geometry.
• Open barrel design: The ratchet wheel connects directly to the mainspring arbor, removing unnecessary vertical layers.
• Unified setting and winding mechanism: Designed in one plane to preserve the watch’s razor-thin silhouette.

Despite its impossibly lean build, the BVL 900 still beats at 28,800 vibrations per hour and offers a 50-hour power reserve—a testament to Bulgari’s technical mastery.

The Octo Finissimo Ultra Tourbillon is no concept watch—it’s wearable, expressive, and unmistakably Italian. Its 40 mm titanium case and bracelet preserve the collection’s iconic angular aesthetic, with a soft micro-frosted finish that diffuses light beautifully.

The dial, if one can call it that, is a sculptural display of motion and texture. Light dances across the bridges, gears, and tourbillon cage, revealing a world where mechanics and minimalism coexist in perfect harmony.

Only 20 pieces of the Octo Finissimo Ultra Tourbillon will ever exist, each priced around USD 678,000. For collectors, this is more than a watch—it’s a piece of horological history, a statement that will forever define the upper limits of thinness.

The pursuit of thinness is not about breaking records for their own sake—it’s about challenging conventions. Bvlgari’s new creation is both a mechanical innovation and a philosophical statement: that modern watchmaking can be simultaneously artistic, architectural, and avant-garde.