Jaeger-LeCoultre Master Grande Tradition Calibre 985

The Jaeger-LeCoultre Master Grande Tradition Calibre 985, reference Q5246508, places a cylindrical tourbillon and perpetual calendar in a 42 mm platinum case. The bezel carries 72 baguette-cut diamonds totalling 3.43 carats. The case is 13.27 mm thick and rated to 50 metres. A blue sunray-brushed dial bears appliqued numerals and Dauphine hands, with date, weekday, month, year and moon phase displays and a day/night indicator. A quick-release blue alligator leather strap closes with a pin buckle. Self-winding calibre 985 runs at 4 Hz and offers a 45-hour power reserve. The mechanism contains 431 components, 49 jewels and one barrel.