Fine resin shock absorbers between the metal bezel and case created a shock resistant structure for a full-metal case. Innovative new band connections, which are components subjected to the strongest shock levels, add additional center lugs that lessen the load on the band pins. The screw back case, with a highly wear resistant diamond like coating (DLC), gives the watch a feeling of heft. Mineral Glass Screw Lock Back Case / bezel material: Stainless steel Tough Solar Stainless Steel Band Mobile link (Wireless linking using Bluetooth) Multiband 6 200-meter water resistance EL:White Price excluding shipping cost. Fedex charge at buyer's expense.