Technical characteristics
Movement:
mechanical manually-wound Jaeger-LeCoultre Calibre 174, crafted, assembled and decorated by hand
50-hour power reserve
371 parts
58 jewels
11.25 mm thick
Spherical tourbillon:
outer carriage: aluminium, 60 seconds for a complete rotation
inner carriage: 18.75 seconds for a complete rotation
balance: inertia = 12,5 mg.cm2, 28,800 vibrations per hour
100 parts
Functions:
Front: hour, minute, seconds indication on the carriage of the spherical tourbillon, 24 hours
Back: power reserve
Dial:
transparent mineral glass with Reverso numerals
Hands:
baton-shaped in blued steel
Crowns:
1 white gold crown for winding and time-setting
Case:
950 platinum
reversible, comprising over 50 parts
36 x 55 mm x 15.8 mm
security bolt preventing accidental case opening
transparent glareproofed sapphire crystals front and back
water-resistant to 30 metres
Strap:
alligator leather with white gold folding clasp
Reference:
233 64 20, limited series of 75
