Gold-Tone Casio G-Shock GM-5600B-3ER Watch with Black Strap The case of the stylish Casio G-Shock watch is made of gold-tone ion-coated steel and a black polyurethane strap. The width of the case is 43.2 mm and the thickness is 12.9 mm. Like G-Shock watches, the watch is diving-proof and shock-resistant. 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 Case material: stainless steel Strap material: polyurethane Mineral glass Case size 48.9mm x 43.2mm x 12.9mm Weight 73 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