In Silicon Valley, style is usually subtle. But when Mark Zuckerberg stepped out wearing the world’s thinnest mechanical watch, people noticed. The tech CEO, once known for hoodies and sneakers, now signals refined taste and technical appreciation—through his wristwear.
Enter the Bulgari Octo Finissimo Ultra COSC: a timepiece that doesn’t just tell time—it redefines it.
A WATCH SO THIN, IT’S ALMOST INVISIBLE
At just 1.7 millimeters thick, the watch is slimmer than two credit cards stacked together. The Octo Finissimo Ultra COSC doesn’t just impress with size—it breaks records. It edges out its closest rival by 0.05 mm and earns COSC certification, proving it keeps chronometer-level accuracy.
Bulgari’s engineers crafted the case, bracelet, and movement into a single flat layer. They used titanium and tungsten carbide to achieve the strength and lightness this design demands.
It’s like folding an entire orchestra into the size of a harmonica—compact but extraordinary.
MINIMALIST LOOKS, MAXIMALIST CRAFT
At first glance, the watch looks like a minimalist metal bracelet. But closer inspection reveals a stunning mechanical display. The open-worked dial shows off titanium gears and bridges, arranged laterally across the ultra-thin case.
Instead of downsizing existing components, Bulgari reimagined the movement from scratch. They packed 170 parts into the hand-wound BVL Caliber 180, spreading the layout like a city map rather than stacking it vertically. This flat design required creative solutions—but Bulgari delivered a masterpiece.
ONLY 20 IN EXISTENCE
Bulgari limited this model to just 20 pieces worldwide, adding even more allure. Each piece comes in a futuristic box that winds and sets the watch automatically. The case itself becomes part of the innovation story. The price reportedly sits around $600,000. But for someone like Zuckerberg, this isn’t just a purchase—it’s a personal statement.
ZUCKERBERG’S MESSAGE THROUGH MECHANICS
Zuckerberg wore the Octo Finissimo Ultra COSC while unveiling Meta’s Llama 3.3 AI model. The pairing was no accident. One represents artificial intelligence. The other, mechanical brilliance. Together, they symbolize the intersection of past and future innovation. Over the last year, Zuckerberg quietly expanded his watch collection. He now owns pieces from FP Journe, Greubel Forsey, and Patek Philippe. But this Bulgari watch feels like the boldest of the bunch—a nod to minimalist genius and tech-level precision.
A DIFFERENT KIND OF LUXURY
Luxury watches often show off with gold, diamonds, or heavy ornamentation. But this one speaks softly. It celebrates restraint, elegance, and microscopic craftsmanship. Bulgari even engraved a Datamatrix code on the barrel. When scanned, it leads to exclusive digital content about the watch’s design and story. The Octo Finissimo Ultra doesn’t just sit on the wrist—it tells a layered story.
The thinnest mechanical watch in the world doesn’t shout. It whispers—of ambition, ingenuity, and obsession with detail. By choosing this watch, Zuckerberg bridges two timelines: the analog brilliance of Swiss watchmaking and the ever-evolving digital age. This timepiece doesn’t chase trends. It sets them—one brilliant micron at a time.
