18 carat white gold case with a leather strap. Gem-set aventurine dial with alpha hands and index hour markers. Dial Type: Analog. Automatic movement. Case diameter: 43 mm. Case thickness: 13.3 mm. Round case shape. Fold over with safety clasp. Water resistant at 50 meters / 165 feet. Functions: hour, minute, second, tourbillon. Luxury watch style. Jaeger LeCoultre Master Grand Tourbillon Gem-Set Aventurine Dial Mens Watch.