Black Casio G-Shock GM-5600B-1ER Watch Casio G-Shock watch case and strap are made of durable resin. The watch has a black 42.8 mm wide case, black strap and dial. The watch is waterproof and shockproof. The watch has an LED backlight, world time, timekeeping and other useful features: LED backlight Shock resistant Timer Timing (1/100 s accuracy) Versatile alarm functions 12/24 hour display Automatic calendar Waterproof: 200 m Material: resin Color: black Mineral glass Case size 48.9mm x 42.8mm x 13.4mm Weight 46 g Casio is a Japanese manufacturer of electronic devices, which is especially known for its high-quality and durable sports watches. Casio watches have versatile features and are suitable for both extreme sports and active everyday life. Casio watches are also popular among conscripts due to their durability and excellent price-quality ratio. See all Casio products here