G-Shock GAB2100CY-1A Watch. Turn heads and grab attention with a rugged timepiece boasting a bold, eye-catching black and yellow color scheme. Tough, yet stylish designs feature basic black, accented with touches of the bright yellow used for emergency rescues and safety signs. A cool, versatile look that complements both casual and work styles. Features Bluetooth® connectivity and solar charging. Exterior: Mineral glass. Case size: 48.5 × 45.4 × 11.9 mm. Weight: 52g. Case / bezel material: Resin. Shock Resistant. Carbon Core Guard structure. Tough Solar (Solar powered). 200-meter water resistance. App connectivity features such as, auto time adjustment, easy watch setting, approximately 300 world time cities, reminder, and phone finder. Imported.