Jaeger-LeCoultre Duometre Chronograph Moon

The Jaeger-LeCoultre Duometre Chronograph Moon, reference Q622656J, carries a chronograph within a 42.5 mm platinum case. The case is 14.2 mm thick and rated to 50 metres. The opaline dial bears appliqued numerals, a moon phase at 2 o'clock and a day/night indicator at 9 o'clock. A blued central seconds hand sweeps a tachymeter scale, with twin power reserve displays across the dial. Manual-winding calibre 391 beats at 3 Hz and provides a 50-hour power reserve. Its mechanism comprises 482 components, 47 jewels and two barrels. An alligator leather strap closes with a pin buckle and incorporates quick-release technology.