Dark Casio G-Shock GM-2100B-3AER Watch with Green Dial and Strap The striking Casio G-Shock watch has a stylish 44 mm wide and ion-plated dark metallic watch case, which is made of durable resin and stainless steel. The watch has a green dial and a greenish resin strap. The stylish Casio G-Shock watch is shockproof and waterproof. The watch has an LED backlight, world time, timekeeping features and many other useful features: LED backlight Timer Timing (1/100 s accuracy) 5 alarms 12/24 hour display Button sounds on/off Neo screen, the screen glows in the dark after even a small exposure to light World Time (29 time zones) Automatic calendar Day of the week display Special impact resistant Waterproof: 200m Body width 44 mm Case material: resin and stainless steel Bracelet material: resin Color: dark gray and green Mineral glass Battery life: 3 years 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