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Perpetual Time

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Jaeger-LeCoultre Calibre 175, à Triptyque Mechanical Calibre

* Mechanical manually-wound Jaeger-LeCoultre Calibre 175
* Size: 35.8 x 34.6 x 7.5 mm
* Thickness: 7.50 mm
* Parts: 642
* Jewels: 79
* Barrels: 2
* Number of functions:18
* Power reserve: 48 hours
* Calendar function : three changes
* Balance: monometallic with ten gold screws and four eccentric regulation screws, inertia of 11.5mg x cm2
* Balance spring: Nivarox 1, flat, vibrating freely
* Balance frequency: 21,600 vibrations per hour(3 Hz)
* Tourbillon: grade 5 titanium, diameter 13.5 mm, total weight 0.29 grams
* Cage on its own 0.08 grams
* Speed of rotation: 1/minute
* Shock-absorbers: for the pins of the balance-staff

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Hybris Mechanica cal
The Reverso grande complication à triptyque

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