Casio Tough Solar Black GA-B2100-1A Men's G-SHOCK Watch,

(approx.) H48.5 x W45.4 x D11.9mm (excluding lugs and crown), weight (approx.) 52g, maximum wrist circumference (approx.) 21.5cm, minimum wrist circumference (approx.) 14.5cm Upgrade your favorite retro look with the octagonal Casio G-Shock GA-2100 line, which inherits the design concept of the original G-Shock, but now features Smartphone Link and Tough Solar power. This bold model features a black carbon fiber-reinforced inner case and a matching black resin band. The two-layer dial structure accentuates the dimensions of the LCD and inset dial, while meticulous attention to detail adds texture to the dial. Features include shock resistance, Tough Solar (solar power), Smartphone Link, Carbon Core Guard construction, Case/Bezel Material: Carbon/Resin, Mineral Glass, Double LED Light (Super Illuminator), Hand Shift Function, World Time (38 cities), 1/100-second stopwatch, Countdown Timer, 5-day alarm, Hourly Time Signal, Full Auto-Calendar, Date Format Setting (Date/Month Interchangeable), 12/24-hour format, Resin band, 200-meter water resistance level indicator, Case Size: 48.5-45.4 inches (11.9 mm), Casio G-Shock Style number: GAB2100-1A.