From super-tough G-SHOCK comes a new drop of the GMC-B2100ZE-1ADR Watch that features a magnetic resistance, mineral glass face, and smartphone link with a wireless linking using bluetooth. What more could you want? Cop yours today!- Mineral Glass- Magnetic Resistant- Shock Resistant- 200-meter water resistance- Mobile link (Wireless linking using Bluetooth®)- Tough Solar (Solar powered)- Black ion plated case- LED backlight (Super Illuminator)- Countdown timer- Daily alarm- Full auto-calendar (to year 2099)- Regular timekeeping- Size of case: 51.3 × 46.3 × 12.4 mm- Total weight: 171 g- Colour: Black- Style: GMCB2100ZE-1A