Black Casio G-Shock GLX-S5600-1ER Watch The Casio G-Shock watch has a 43 mm wide resin case and a resin bracelet. The resin is bio-based and gray in color. The stylish Casio G-Shock watch is shockproof and waterproof. The watch has special features such as a Moon Phase display, a sailing timer and a tide chart. The watch is suitable for those who move around on the water and sailors. The watch also has automatic light, world time, timekeeping features and many other useful features: LED backlight Shock resistant Display Flasher Moon Phases Display Tide graph Yacht timer World Time (29 time zones) Timekeeping (1/100 s accuracy, up to 24 h) Timer (1/1 s, up to 24 h) 3 alarms Snooze alarm Key sounds on/off Automatic calendar (day, weekday and month) 12/24 hour display Mineral glass Case material: bio-based resin Strap material: bio-based resin Battery life: 7 years Waterproof: 200m Case Size: 46.7mm x 43.2mm x 12.7mm 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 price-quality ratio. See all Casio products here