The Chopard L.U.C ref: 161973-1002 features a 45mm white gold case and a silver dial. This handwound timepiece is powered by the Chopard caliber L.U.C 03.10-L, introduced in 2018. It includes a perpetual calendar with day/night indication, big date, month, and leap year functions. Additionally, the watch offers a chronograph with flyback capability and a moonphase display. This model is a limited edition of 20 pieces and is certified as a chronometer, ensuring precision in timekeeping.