The Casio Men's G-Shock Solar-Powered Watch features atomic timekeeping for accuracy and is shock resistant. The watch offers a full auto EL backlight, an alarm, world time, a stopwatch, 12- and 24-hour formats and the day and date. The watch is water-resistant to 200 m, and the batteries can be recharged by solar power. Buckle clasp. Quartz movement. Resin strap and case. Mineral crystal.