G Shock GM B2100 (GM B2100D 1ADR) Grey ceramic it features ADD SPLIT chronograph functions it features ADD SPLIT chronograph functions for accuracy and style it is intended for direct skin application rather than a broad clothing spray 8mm Band Material Stainless Steel Band Band Colour Silver Features Alarm (s) Auto Calendar Bluetooth Countdown Timer Hand Shift Feature Hourly Time Signal LED Light Neobrite Hands Phone Finder Shock Resistant Solar Powered Solid Band Stopwatch Tough Solar Water Resistance World Time Search Tags Gm B2100D 1Adr G Shock Mens Watch Specification Details Gender Men Watch Type ANALOG DIGITAL Collection G SHOCK Series GM B2100 For Male Country of Origin JAPAN Warranty 2 Year National Warranty ( 1St Year International Warranty ) Glass Material Mineral Water Resistance Yes Dial Colour Black Case Material Stainless Steel Case Shape Octagonal Weight 165g Case Size 49