Jaeger-LeCoultre caliber 176
Mechanical manual winding movement, 592 parts, 21,600 vibrations per hour, 2 barrels each with 48-hour power-reserve.
Functions: hour, minute. Flying Gyrotourbillon®. Chronograph with an instantaneous digital display activated by a monopusher at 2 o’clock. Digital minutes display (from 00 to 59). Chronograph seconds indicated by a hand. Day/night indicator over 24 hours.