2100 Series Carbon and bio-based resin composition Analog-digital dial Adjustable cloth band with belt loop Mineral glass Neobrite luminescent material for low light visibility Shock resistant 200-meter water resistance Carbon core guard structure Solar powered Smartphone Bluetooth connectivity Casio Watches app connectivity App connectivity with global sync, alerts, and phone finder World time zones Stopwatch, timer, alarm, and hourly time signal Calendar Mute feature Super luminous white LED light for face White LED backlight for the digital display Energy saving feature Battery display/alert ±15 seconds per month accuracy without link mobile Hand shift feature 12/24-hour format Date/month display swapping Day display selectable in six languages Approx. rechargeable battery operating time: - Normal use without exposure to light after charge: 7 months - Stored in total darkness with the power save function on after full charge: 18 months Analog timekeeping: - 2 hands (hour, minute (hand moves every 20 seconds)) - 1 dial (battery level, mode) Digital timekeeping: - Hour, minute, second, pm, month, date, day Size: H 1.91 x W 1.79 x D 0.47 in Compatible band size: 5.71 to 8.46 in Weight: 57 grams Style: gab2100ct-5a Color: Dark Brown / Khaki Grey Material: Resin