Case Measurements: 55mm L x 47mm W Case Thickness: 12mm Crystal: Sapphire Coated Mineral Crown: Push/Pull Strap: Silicone Rubber Strap Measurements: 9-1/2" L x 24mm W Clasp: Push Button Dual Deployant Maximum Wrist Size: 8-1/2" Water Resistance: 5 ATM - 50 meters - 165 feet