Bovet Pininfarina Tourbillon Ottana Watch

Snailed barrel drums and covers, circular-grained open ratchet with 5 arms, chamfered and polished by hand Wheels and pinions Circular-grained wheels, hand-polished mouldings and chamfersBurnished pivots with rounded and burnished endsSprings, jumpers and steel partsFine brushed, drawn flanks, chamfered and polished by hand (no “wire” springs)Automatic Off-centered platinum micro-rotor, shot-blasted, chamfered and circular- grainedTourbillonRotation 1 turn in 80secBalancing By special Pininfarina screwTourbillon bridges Stainless steel, block polished, drawn flanks, chamfered and polished by hand, sinks polished by hand, fine-brushed underneathCage bridge Stainless steel, block polished, chamfered and polished by hand on both sidesCage wheel Stainless steel, circular-grained, chamfered and polished by hand on both sidesBalance Inertia: 9.80mg/cm2Mass: 72mgArms in a figure of 8 shape within a 0 (evoking the 80th anniversary of Pininfarina)Rim and 4 special Pininfarina screws in CuBé treated in blue PininfarinaPVD, block-polished.Tech specs from Bovet:MovementCalibre Bovet 16BA01Diameter 36.00mmHeight 12.60mmNumber of componentsComplete movement 514Tourbillon cage 70Big date 75Number of jewels 62Power reserve 80 hours minimumFrequency 21,600 Ah (3Hz)All components are developed, manufactured and decorated by Dimier 1738 according to criteria defined by the Fleurier Quality Foundation.Base plateMaterial BrassDecoration Sand-blasted, drawn flanks, micro circular graining (1738 grains Ø 1.50mm), chamfered and polished by hand, hand-polished sinksColour finish NACBridgesCase back sideMaterial BrassDecoration Sand-blasted, drawn flanks, micro circular graining (grains with Ø 1.50 and 1.00mm), chamfered and polished by hand, hand-polished sinks, rear display bridge with vertical Côtes de Genève and circular bipolar Clou de ParisColour finish NACDial sideMaterial BrassDecoration Sand-blasted, drawn flanks, chamfered and polished by hand, vertical Côtes de Genève on underside, circular grainedColour finish NACBarrels 2 barrels in series.