Independent Watchmakers · 2026-10-17
Bianchet frames the Rotondo UltraFino in baguette diamonds
The 39.5mm titanium flying-tourbillon pairs a white-gold, diamond-set bezel with Bianchet’s ultra-thin automatic calibre.
By Chronolume digest · Original English summary · Based on WatchTime; specifications and price verified by Bianchet

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What to know
Bianchet has introduced a jewellery-focused version of its Rotondo UltraFino, retaining the collection’s lightweight Grade 5 titanium case and integrated bracelet while adding a white-gold bezel set with 40 natural baguette-cut diamonds. The stones total 1.6 carats and are graded F–G colour and VVS clarity. The 39.5mm case measures 9.0mm thick, is water-resistant to 10 ATM and comes with both the titanium bracelet and an interchangeable white vulcanised-rubber strap.

Inside is Bianchet’s self-winding UR01 flying-tourbillon calibre. The 3.85mm movement has 225 components, runs at 3Hz and provides a stated 60-hour power reserve. Grade 5 titanium is used for the main plate, bridges and tourbillon cage, while the rotor is solid 18-carat rose gold. Bianchet lists the reference RDUFFTSKTNDSW at CHF 92,500 excluding taxes.
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Source & attribution
WatchTime; specifications and price verified by Bianchet · Published 2026-10-17 ↗


