Jaeger-LeCoultre Master Grande Tradition Tourbillon Jumping Date

The Jaeger-LeCoultre Master Grande Tradition Tourbillon Jumping Date, reference Q4202480, displays a tourbillon within a 42 mm 18-carat pink gold case. The case measures 12.5 mm thick, with a 22 mm lug width and a 50-metre water-resistance rating. Blue enamel covers a barleycorn-patterned dial with polished appliques, Dauphine hands and a pointer date. An alligator leather strap incorporates quick-release technology and a double folding clasp. Self-winding calibre 978 operates at 4 Hz and provides a 45-hour power reserve. The mechanism is assembled from 305 components with 33 jewels and one barrel.