Unveiled at SIHH 2015, the Master Grande Tradition Tourbillon Cylindrique à Quantième Perpétuel from JaegerLeCoultre demonstrates its comprehensive and high precision features through the sophisticated association of a flying tourbillon and a perpetual calendar. Also as a tribute to astronomy, it faithfully reproduces celestial movements like the earth’s rotation around the sun, along with moon phases and zodiac decans.
Faithfull to the astral theme adopted by Jaeger-LeCoultre in the year 2015, the deep blue grained dial of this complication wristwatch invites to discover the mystery of the celestial canopy. The immaculate moon phase indication is displayed by an immobile disc made of lapis lazuli, a stone whose Persian name means “azure blue”. The lunar cycles appear as visible from the earth and are indicated by a hand.
The mechanical perpetual calendar, a complex mechanism capable of indicating the days, months and years, consumes a lot of energy while taking account of the varying lengths of each month and of leap years. The interaction between the multiple gear trains of a perpetual calendar generally results in a loss of precision. Such is not the case with the Master Grande Tradition Tourbillon Cylindrique à Quantième Perpétuel, thanks to its ingenious association with the ultra-powerful tourbillon developed by Jaeger-LeCoultre.
Further, the Master Grande Tourbillon Cylindrique à Quantième Perpétuel has been designed by the Manufacture to ensure smooth handling and optimal adjustment by means of a single push-piece. The entire set of indications is “programmed” in the movement. Simply setting the correct date automatically adjusts the month, year and moon-phase indications. This watch in run requires no manual correction before March 1st 2100.
Fixed on its lower side only, the tourbillon of the Master Grande Tradition Tourbillon Cylindrique à Quantième Perpétuel is an authentic feat that one never tires of admiring. Its titanium case houses a gold balance, as well as the cylindrical balance spring developed by the Jaeger-LeCoultre teams and of which the consistently concentric beat guarantees peerless chronometric precision.
The history of Jaeger-LeCoultre is written on each face of this model, as much in its classic and aesthetic design as in its beating heart admirably illustrating the technical mastery cultivated by the Grande Maison. This creation houses both the fastest complication – the spring balance beating at a rate of 8 vibrations per second – and the slowest – the tens of year disc making a full turn in 100 years. It takes a certain state of mind combined with potent expertise to combine the two within a watch driven by a mechanical automatic movement. However spectacular, this alliance is driven by a single minded ambition: to deliver exceptional chronometric precision to the person who will make this watch their lifelong companion.
This model clearly proclaims its kinship with classic aesthetic traditions: the shape of the white gold case evoking historical pocket watches, the traditional minute circle, the dauphine-type hands, the dial with its grained finish, as well as the hand-crafted decorations, are all unmistakable signature features of a timepiece entirely in keeping with the precepts of Haute Horlogerie.
The Master Grande Tradition Cylindrique à Quantième Perpétuel offers a final source of delight to all those who will be fortunate enough to contemplate its 22-carat oscillating weight visible through the back of the watch. This superbly engraved component bears a reproduction of the gold medal won by JaegerLeCoultre at the Paris Universal Exhibition in 1889.
Model: Jaeger-LeCoultre Master Grande Tradition Tourbillon Cylindrique à Quantième Perpétuel
Reference: Q504 35 80
Mechanical automatic movement, Jaeger-LeCoultre Calibre 985, crafted, assembled and decorated by hand
45-hour power reserve
28,800 vibrations per hour
8.25 mm thick
30.7 mm in diameter
Grained blue, polished silver-toned baton-type appliques and traditional transferred minute circle
Hours, minutes, small seconds indication on the flying tourbillon
Perpetual calendar: Indication of the date, day, month, year, red zone and moon phase
18-carat white gold
13.1 mm thick
42 mm in diameter
Polished lugs and satin-brushed sides
Water-resistance: 5 bar
Hand-sewn high-end alligator, 18-carat white gold pin buckle
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