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