CASIO G-SHOCK GMC-B2100 Series 'Silver Black' GMC-B2100ADS-1A

Structure：Impact resistance Waterproofing：200 meters waterproof Construction：Shock Resistant Strap material：Solid stainless steel case/One-touch 3-fold Clasp Battery Life：Tough Solar (Solar powered) Compatible watch strap sizes：150 to 205 mm Smartphone Connectivity：Mobile link (Wireless linking using Bluetooth®) App：CASIO WATCHES Other：Neobrite / Easy to see in the darkness