Jaeger-LeCoultre Gyrotourbillon 1

Jaeger-LeCoultre, AN EXTREMELY RARE LIMITED EDITION WHITE GOLD PERPETUAL CALENDAR MULTI-AXIS SPHERICAL TOURBILLON WRISTWATCH WITH RETROGRADE DATE, MONTH AND LEAP YEAR INDICATION, 8-DAYS POWER RESERVE AND EQUATION OF TIME, MADE EXCLUSIVELY FOR THE HONG KONG BOUTIQUEGYROTOURBILLON 1 NO 2/3 CIRCA 2012 diameter 43 mm , • cal. 177 manual winding damascened nickel lever movement, 117 jewels, inclined one-minute multi-axis spherical tourbillon carriage, inner titanium escapement platform carrying the 14k gold balance wheel, inner platform rotating 5 times every 2 minutes along stationary wheel, steel reinforced tourbillon with jewelled suspension, cage pinion connecting to 3rd wheel with beveled teeth, two linear main-spring barrels with sapphire crystal covers, hands for month display and retrograde leap year indication, plaque engraved ' Hong Kong -0h 23 ' • black dial, black Arabic numerals, silvered chapter ring for mean and solar time display, the time difference calculating equation of time, sun-shaped hand for solar time indication, fan-form sectors for 8-days power reserve and retrograde month indication, two hands for retrograde date display beneath a frosted sapphire crystal, large aperture for multi-axis spherical tourbillon • 18k white gold circular case, downturned lugs, sapphire crystal display back secured by 4 screws •  case, dial and movement signed  • with an 18k white gold Jaeger-LeCoultre  folding buckle