Included in the Price:
- Original box and papers
- FedEx Overnight Shipping (Next-Day Delivery)
Product Details:
- Watch is 100% identical to the original — same weight, materials, and movement
- 2-Year Warranty
Guarantee:
- 100% Money-Back Guarantee. No questions asked.
- If the product is incorrect, defective, or you are unsatisfied for any reason, a full refund will be issued.
Availability:
- Local stock with 3 warehouses in Europe, 9 in the United States, and 1 in Australia
Bianchet redefines modern Haute Horlogerie with the B 1.618 UltraFino, a timepiece where precision engineering meets mathematical poetry. Crafted around the Golden Ratio (1.618), this ultra-thin timepiece houses Bianchet’s first automatic flying tourbillon movement, the UT01 caliber, entirely made from titanium. At just 8.9mm thick, its curved tonneau-shaped case follows a 1.2mm lug-to-lug curvature, delivering an effortlessly ergonomic fit that balances elegance with resilience.
Strength and refinement converge as the UltraFino defies convention, with an impressive 5,000Gs shock resistance and 5 ATM water resistance, ensuring durability without compromise. Available in two expressions, one showcases a skeletonized movement with exquisite hand-finishing, while the other features the Golden Diamond dial, a modernized Clou de Paris motif. Both variants incorporate Bianchet’s signature rubber seam between the bezel and case middle.
At the heart of the watch, the UT01 movement is an ultra-thin feat of engineering at 3.85mm thick and 8 grams light, featuring one of the rarest horological constructions—an automatic flying tourbillon in titanium with a Fibonacci-inspired gold rotor. Every component adheres to 1.618 proportions, reinforcing Bianchet’s commitment to aesthetic perfection. Additionally, the fully integrated titanium bracelet, a rare feat for a tonneau-shaped case, enhances the watch’s seamless fluidity, while a vulcanized rubber strap with a titanium deployant buckle provides an alternative refined look.
The B 1.618 UltraFino stands as a testament to the Golden Ratio’s enduring influence, fusing ultra-thin tourbillon mastery, contemporary sportswear ergonomics, and architectural beauty. Whether skeletonized or featuring the Golden Diamond dial, it remains a bold statement of proportion, performance, and timeless elegance.

Square Micro-Rotor Blue
Square Micro-Rotor Retro Black
Flying Tourbillon Grande Date B1.618 Carbon Earth
École Annual Calendar White
Sport Auto Blue
Rolex Day-Date 40 40 mm platinum 228236-0013
Zürich date
Omega SEAMASTER AQUA TERRA SHADES 34 mm, Moonshine™ gold on leather strap 220.53.34.20.10.001
Flying Tourbillon Grande Date B1.618 Carbon Red
Flying Tourbillon Grande Date B1.618 Carbon Lime
Pilot's Watch Chronograph 41
Classic Fusion Essential Gray
Galet Classic Tourbillon Double Balance Spring
Galet Classic Tourbillon Double Balance Spring
Tetra Grenadine
Square Micro-Rotor Retro Silvery White
Spirit of Big Bang Essential Grey 













