2010年7月15日星期四
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.Total weight 0.48gIndicationsDial side Hours and minutes shown by central handsSeconds by crown engraved and lacquered in a window at 3 o’clock(1 t/3min)Power reserve indicator hand at 9 o’clockBig date by 2 overlapping disks at 6 o’clockMovement side Hour hand at 12 o’clock (reading accuracy: ¼ hour)ExteriorCase Type AMADEO Convertible (double sided wristwatch, table clock, pocket watch).