Jaeger-LeCoultre Master Control Chronograph Calendar

The Jaeger-LeCoultre Master Control Chronograph Calendar, reference Q4138130, is a chronograph with a 40 mm steel case. The case is 12.05 mm thick, rated to 50 metres and finished with polished and satin surfaces. A silvered sunray-brushed dial carries polished rhodium-finish numerals and hour-markers, Dauphine and baguette hands. Date, weekday, month and moon phase indications appear beside a 30-minute counter. The bracelet closes with a double folding clasp, with quick-release technology and a second light-brown strap. Self-winding calibre 759 contains 358 components, 37 jewels and two barrels. It runs at 4 Hz with a 65-hour power reserve.