18ct Pink Gold Jaeger LeCoultre Duometre A Chronographe Q6012420. Jaeger-LeCoultre Calibre 380, Mechanical Manual Wind movement. Case diameter 42mm. Water resistant to 50 meters. 21,600vph, 443 parts, 48 jewels, 50 Hour power reserve. Hand-grained, silver-colored dial. Central hours, minutes and seconds, Power reserve. Chronograph: concentric hours and minutes, minute-unit indicator, seconds, jumping seconds, chronograph power reserve. See through sapphire crystal back. Brown Alligator strap with double-folding Clasp in 18ct Pink Gold. Box and papers dated February 2012. Our reference S21215.