Automatic flying tourbillonCase Measurements:43mmCase Thickness:15mmCrystal:Sapphire crystal with anti reflective coatingCrown:Screw down crownBracelet:Stainless steelMeasurements:9" L x 22mmClasp:Solid fliplock push button deployant claspWater Resistance:200 meters - 660 feetWeight:8.0 ozAdditional Information:Ceramic unidirectional rotating bezelAdditional Information:3D Superluminova hour indexAdditional Information:Numbered limited edition 50 units