jaeger lecoultre master grande tradition gyrotourbillon westminster perpetuel side view



This watch unveiled at the recent SIHH in Geneva sums up all the skills of the manufacture. It includes a perpetual date, a minute repeater and a multi-axial tourbillon.

The hour and minute hands on the Jaeger-LeCoultre’s Master Grande Tradition Gyrotourbillon Westminster Perpétuel move around an off-centred dial at 12 o’clock. Three counters signal the presence of a perpetual date. The day, the date and the month, which can be reset in both directions, will not need to be corrected until 2100. This limited edition of just 18 pieces also has a new-generation, multi-axial tourbillon that you can see at 6 o’clock. The gyrotourbillon with a titanium cage has been designed on a small scale and with a low weight (just 0.4 grams). It plays the role of a chronometric amplifier, while correcting any errors in the balance wheel and balance spring pairing. It is aided by a constant-force mechanism, which acts as a second source of energy.

jaeger lecoultre master grande tradition gyrotourbillon westminster perpetuel side viewThis complication is perfectly integrated into the calibre 184. The same is true of the 1,050 components that went into making this hand-wound movement (50 hours of power reserve). Many can be seen at work through the back of the 43mm-wide and 14.08mm-thick grey-gold case.

Price: 800,000 EUR www.jaeger-lecoultre.com

By Dan Diaconu

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