La cote des montres Jaeger Lecoultre Gyrotourbillon 149307S d'occasion
Prix des montres Jaeger Lecoultre Gyrotourbillon 149307S d'occasion
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C. Two-body, polished, inclined bezel, concave lugs, setting pushers in the band, transparent.back with four screws, sapphire crystals..D. Multi-tone, grey and silver, the upper half with brushed grey chapter ring for mean.time and equation of time with radial white Arabic numerals, outer minute track, the.transparent center exposing the equation of time mechanism, below the sector for the.date with two retrograde hands with instantaneous exchange occurring on the 16th, the.lower half with aperture to view the tourbillon, sector for the perpetual calendar month.indication on the left, sector for power-reserve indication on the right. Blued steel épée.hands, equation of time hand with gold sun tip, blued steel seconds hand fi xed to the.(detail of the movement).top pivot of the tourbillon carriage..M. Cal. 177, rhodium-plated, fausses cotes and oeil-de-perdrix decoration, 21,600 vibrations per hour, 117 jewels, two barrels.providing linear transmission of power, sapphire covers to reduce mainspring drag, perpetual calendar indicator, one-minute.rotating spherical tourbillon carriage machined from a solid block of aircraft quality aluminum to reduce weight, two 14K gold.screws for poising, jeweled suspension, inner titanium platform rotating once per 24 seconds (2.5 times per minute), steel inserts.for screw holes, free-sprung 14K gold balance and adjusting screws, lateral lever escapement, blued steel Breguet balance.spring with overcoil, beveled third wheel and beveled fi xed inclined wheel for the tourbillon to rotate around, shock absorbers on.all axis pivots. Dial, case and movement signed. Diam. 43 mm. Thickness 15.3 mm.
