18kt white gold case with a black leather strap. Fixed 18kt white gold bezel with diamond set. Gem-set aventurine dial with white alpha-style shape hands and index hour markers. Dial Type: Analog. One subdial displaying: tourbillon. Jaeger LeCoultre Calibre JLC 978 Automatic movement, containing 33 Jewels, composed of 302 parts, bitting at 28800 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Round case shape, case size: 43 mm, case thickness: 13.3 mm. Fold over with safety release clasp. Water resistant at 50 meters / 165 feet. Functions: hour, minute, second, tourbillon. Master Grand Tourbillon Series. Luxury watch style. Watch label: Swiss Made. Item Variations: Q1663406, 1663406, 166.34.06, Q166.34.06. Jaeger LeCoultre Master Grand Tourbillon Gem-Set Aventurine Dial Men's Watch Q1663406.