lot 19

Bianchet

Carbon Tourbillon Openwork Piece Unique

This watch was featured at the "Tourbillons: Part 1" auction

Starting bid CHF 30 000
Reserve not met, max bid CHF 46 000
Buy now price CHF 55 000
Total bids 17
Location
Daniel Isaak
Watch Expert / Watchmaker
Estimate
CHF 35 000 / CHF 55 000

Specification

CaseTonneau-shaped titanium dust-Infused carbon & natural vulcanised rubber case, black bezel & a sapphire-crystal, transparent case back
StrapBlue natural vulcanised rubber strap with pin buckle
DialOpenworked titanium dial with white & orange indices, titanium Tourbillon at 6 o'clock
MovementExtra thin skeletonized titanium automatic movement, main plate, bridges & Tourbillon cage in Grade 5 titanium
Cal.B1.618.
D=43x50x13 mm

Condition report

Case:Very good, small signs of wear
Strap:Very good, small signs of wear
Dial:Mint condition
Movement:Very good, all functions working properly
Amplitude (Dial on top/Lift angle 52):Approx 300°
Accuracy (Dial on top):Approx +5 sec/day