Jaeger-LeCoultre Master Control Chronograph Calendar

The Jaeger-LeCoultre Master Control Chronograph Calendar, reference Q4138180, presents a chronograph in a 40 mm steel case with a display back. The case measures 12.05 mm thick and is rated to 50 metres. The blue sunray-brushed dial has polished rhodium-finish numerals and hour-markers, baguette hands and small seconds. Date, weekday, month and moon phase displays share the dial with a 30-minute counter. Automatic calibre 759 runs at 4 Hz and offers a 65-hour power reserve. Its 367 components include 36 jewels and two barrels. A double folding clasp closes the bracelet, which incorporates quick-release technology.