Jaeger-LeCoultre LECOULTRE-JLC-630

Jaeger-LeCoultre caliber 630 is a discontinued Swiss mechaquartz chronograph movement. It measures 23.3mm in diameter and 3.8mm in height, making it notably compact for a chronograph caliber. The movement includes an optional moon phase complication at 12 o'clock and offers approximately three years of battery life. This caliber was supplied to other watch brands including IWC, Porsche Design, and Chopard, and powered various models from 1987 through the early 2000s.