The SIHH 2019 Jaeger-LeCoultre Master Grande Tradition Gyrotourbillon Westminster Perpétuel is the artwork of precision personified. First expressed within the 2004 Master Gyrotourbillon 1. The beautiful complication finally made its manner into the model’s icon within the guise of the 2008 Reverso Gyrotourbillon 2. By 2013, the quixotic gyrotourbillon discovered its manner into 2013’s Grande Tradition Gyrotourbillon three Jubilee. In 2016, the model revisited the beautiful gyrotourbillon as soon as once more Reverso Tribute Gyrotourbillon. This makes the 2019 Master Grande Tradition Gyrotourbillon Westminster Perpétuel, the fifth within the sequence, joined with a excessive complication perpetual calendar and minute repeater system.
The newest Gyrotourbillon Westminster Perpétuel exemplifies technical precision because of its three immense issues. Chiefly, the distinctive Jaeger LeCoultre innovation goes past a traditional tourbillon with modified axes, as an alternative, the Grande Maison devised a system to make sure excellent equilibrium between its perpendicular, what outcomes is a tourbillon of such chronometric precision that it deviates by a most of -1/+1 second a day towards the typical deviation of -Four/+6 seconds a day to your conventional tourbillon.
That stated, the gyrotourbillon was not at all times geared up with a spherical hairspring. The preliminary execution featured a flat steadiness spring and it was not till the third iteration that the spherical steadiness requiring much more precision development changed the cylindrical hairspring. I digress however the brand new restricted version Master Grande Tradition Gyrotourbillon shouldn’t be merely instrument for chronometric precision, its raison d’etre for excellent accuracy begins from the supply of its energy provide – a remontoir d’egalite or fixed drive mechanism which provides the gyrotourbillon escapement with a gradual stream of power, even when the brand new Jaeger LeCoultre SIHH 2019 novelty approaches most entropy. in different phrases, amplitude is stored regular because of the uniform supply of power even because the mainspring winds down.
Second, the proper functioning of the perpetual calendar complication requires that gears and clockwork correct translate the passage of years, months and day with mathematical precision computing 30th and 31st days of the month with nary human intervention, in addition to account for leap years earlier than requiring an adjustment till the yr 2100.
“It cannot be disputed that repeater-work is really the scientific part of horology. Therefore it requires more theory for design and more delicacy and precision in manufacture. This is why those who know it and practise it, carry it out with more perfection than other types of work.” – Francois Crespe, Essay on Minute Repeater watches
The artwork of precision is additional enhanced with the cautious tuning of the Jaeger-LeCoultre Master Grande Tradition Gyrotourbillon Westminster Perpétuel; The final time we noticed such a extremely advanced timepiece with gongs soldered to the sapphire crystal, with a purpose to amplify the vibrations emitted outdoors the case, was the Hybris Mechanica à grande sonnerie comprising no fewer than 1300 components. All precision minimize and assembled to make sure not simply crystal sounds but in addition cautious marshalling of energy from its mainsprings to keep away from overtaxing your complete novelty.
Jaeger-LeCoultre Master Grande Tradition Gyrotourbillon Westminster Perpétuel value and specs
18 piece restricted version
Movement Manual winding JLC 184 with 52 hours energy reserve
Case 43mm white gold case with 30 meters water resistance
Strap Blue Alligator
Price € 800,000