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Bianchet B1.618 UltraFino Carbon (Sky Blue)

UFFTSKCBSB

The Bianchet B1.618 UltraFino Carbon (Sky Blue) is a 40 mm carbon watch with a Bianchet Cal. UT01 automatic movement.

All Bianchet watchesOther watchesUnder 11 mm thickOn a titanium braceletTourbillonDisplay back
Price
≈$81,097 (CHF 67,500)
Material
Carbon
Grade / type
Monobloc high-density carbon
Water resistance
50 m
Reference
UFFTSKCBSB
Type
Other
Case diameter
40.0 mm
Thickness
8.9 mm
Lug-to-lug
47.5 mm
Origin
Switzerland
Movement
Automatic flying tourbillon (60-second), 3 Hz, 29 jewels
Caliber
Bianchet Cal. UT01
Power reserve
60 hours
Complications
Tourbillon
Colour
Black
Construction
Monobloc
Finish technology
Natural finish
Caseback
Sapphire (display)
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Integrated high-density carbon bracelet with a titanium deployant buckle, plus a vulcanised rubber strap on a quick-release system
Matching bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Openworked skeleton, with sky blue accents
Dial colours
Blue
Availability
Offered
Status
Current
Not published
Weight, Hardness, Surface treatment, Lume
Medium confidence Verified Aug 2026 Source: Bianchet (maker product page) / Monochrome
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the Bianchet B1.618 UltraFino Carbon (Sky Blue) made of?

The case is monobloc high-density carbon. The guide has not yet confirmed it on the maker's own page. The caseback is sapphire (display).

What size is the Bianchet B1.618 UltraFino Carbon (Sky Blue)?

The case is 40 mm across, 8.9 mm thick and 47.5 mm from lug to lug. It is water resistant to 50 m.

How much does the Bianchet B1.618 UltraFino Carbon (Sky Blue) cost, and is it available?

It is in production, at a list price of $81,097.

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