Jaeger-LeCoultre Master Grande Tradition Calibre 985

The Jaeger-LeCoultre Master Grande Tradition Calibre 985, reference Q5042420, combines a cylindrical tourbillon and perpetual calendar in a 42 mm 18-carat pink gold case. The case measures 13.05 mm thick and is rated to 50 metres. Gilt hour-markers and Dauphine hands occupy the silvered grained dial. Date, weekday, month, year and moon phase indications extend the displays. Self-winding calibre 985 runs at 4 Hz and offers a 45-hour power reserve. The assembly comprises 431 components, 49 jewels and one barrel. A dark-brown alligator leather strap closes with a double folding clasp.