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Jaeger LeCoultre Reverso Grande Complication à triptyque

Ref.Q2326420 

Limited Edition Of  75 peices

Number of functions : 18 complications.

Power reserve : 48 hours. Calendar function : three changes.

Balance : monometallic in glucydur with ten gold screws and

four eccentric regulation screws, inertia of 11.5mg x cm

Balance-spring : Nivarox I, flat, vibrating freely.

Balance frequency : 21,600 vibrations per hour (3 Hz).

Tourbillon : titanium grade 5, diameter 13.5 mm, total weight 0.29 grams,

cage on its own 0.08 grams Speed of rotation : 1/minute.

Escapement : Ellipse isometer escapement; blocking-lever arm,

roller and escapement wheel in monocrystalline silicon.

Weight of the balance-spring for the lever 0.0015 grams.

Shock-absorbers : for the pins of the balance-staff. Dials : 3 in total.

Time dial : hours, minutes, seconds, day/night indicator.

Astonomical dial : sidereal time, choice of astronomical charts for

the northern or southern hemisphere, hours of sunrise and

sunset specially adjusted according to the wearer’s place of residence,

patented zodiacal calendar, equation of time. Calendar dial : perpetual calendar,

manual correction only required from the end of February 2100,

indication of the digital date by a retrograde disc, hands for the day of the

week and month, indication of leap years, phases and ages of the moon,

height of the calendar movement 1.7 mm. Case : platinum, 37.7 x 55 mm, 17.9 mm high,

water resistant to three atmospheres; locking mechanism to prevent unintentional

turning of the case during the date changeover period around midnight.

Strap : hand-stitched crocodile leather, platinum folding buckle.