Black Casio G-Shock GX-56SS-1ER Watch with blue patterns Casio G-Shock Watch shell and strap is durable resin. The watch case is 53 mm wide and has blue patterns. The dial is protected by mineral glass. The watch has a Tough Solar movement that is powered by sunlight. The Casio G-Shock watch is shockproof and waterproof. The watch has an LED backlight and many other features that make this watch versatile: Automatic light Shock resistant Mud resistant Solar movement World time Timer Timing (1/100 s accuracy) 5 alarms Snooze function Button tones on/off 12/24 hour display Automatic calendar Battery level indicator Mineral glass Case material: resin Bracelet material: resin Waterproof: 200m Case size: 55.5 x 53.6 x 17.5 mm Weight: 97 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 value for money. See all Casio products here