Bianchet B1.618 UltraFino Carbon (Red)

The Bianchet B1.618 UltraFino Carbon (Red) is a current-production watch with a monobloc high-density carbon case. At 52 g it sits among the lighter watches in the guide, and is priced well above the $1,361.50 median across the guide. It ships on a matching carbon bracelet rather than a strap.

4 official photos · reader photos welcome

Price

≈$84,144 (CHF 67,500)

Material

Carbon

Grade / type

Monobloc high-density carbon

Weight

52 g (with strap)

Water resistance

50 m

Reference

UFFTSKCBRD

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 red accents

Availability

Offered

Status

Current

Not published

Hardness, Surface treatment, Lume

Medium confidence Verified Aug 2026 Source: Bianchet (maker product page) / Monochrome

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