Jaeger-LeCoultre Master Control Date

The Jaeger-LeCoultre Master Control Date, reference Q4018421, wears a 40 mm steel case with polished and satin finishes on the side. The case is 8.78 mm thick and rated to 50 metres. A silvered sunray-brushed dial displays the date beneath polished rhodium-finish numerals and hour-markers, with Dauphine and baguette hands. Self-winding calibre 899 runs at 4 Hz and offers a 70-hour power reserve. Its assembly consists of 218 components, 32 jewels and one barrel. The quick-release light-brown calfskin leather strap closes with a double folding clasp, with an additional black alligator leather strap.