Black Casio G-Shock Watch DW-5600BB-1ER Casio G-Shock watch is shockproof and has many useful features: Dive-proof: 200 m Steel shell Black plastic watch strap Illuminator backlight Special shockproof Flashing alarm Chronograph / Stopwatch function 1 / 100 s-24 hr Timer 1 / 1 s-24 hour auto repeat Calendar Multi-alarm Equal time signal 12 / 24 hour format Mineral glass Diameter 48,9 mm Casio is a Japanese manufacturer of electronic equipment, known in particular for its high-quality and durable sports watches. Casio watches have a wide range of features and are suitable for both extreme sports and active everyday life. Casio watches are also popular in army thanks to their durability and excellent value for money. See all Casio products here