Jaeger-LeCoultre Calibre 380 is Swiss mechanical manually-wound movement.
Functions: hour, minute, central seconds, power-reserve. Chronograph: concentric hour and minute, minute-unit indicator, seconds, jumping seconds, chronograph power-reserve
F = 21600 A/h
Power reserve: 2 independent barrels, each with 50-hour power-reserve.
Mechanical manually-wound movement with 48 jewels.
Water-resistance: 3 bar.