Black Casio G-Shock GW-B5600BP-1ER Watch with Patterned Blue Display The stylish Casio G-Shock watch has a black resin case and resin bracelet. The watch has a distinctive patterned blue digital display. The watch works with Solar movement and gets its energy from sunlight. The Bluetooth function, on the other hand, enables the watch to be connected to a smartphone wirelessly and thus access many of the watch's useful features. The stylish Casio G-Shock watch is shockproof and waterproof. The watch has a flight log, world time, timekeeping features and other useful features: Bluetooth Smart Automatic LED light Shock resistant Solar machinery Radio signal reception World Time (29 time zones) Timekeeping (1/100 s accuracy, up to 24 h) Timer (1/1 s, up to 24 h 5 alarms Snooze function Phone finder function Multilanguage Flight log memory Automatic calendar (day, weekday and month) 12/24 hour display Mineral glass Case material: resin Bracelet material: resin Waterproof: 200m Case Size: 48.9mm x 42.8mm x 13.4mm Weight: 53 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