Yellow Gold Casio G-Shock GM-2100G-1A9ER Watch with Black Dial and Strap The striking Casio G-Shock watch has a stylish 44 mm wide and ion-plated yellow gold-colored watch case, which is made of durable resin and stainless steel. The watch has a black dial and a black polyurethane strap. The dial has gold-colored hands and other gold-colored details. 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 tones on/off Neo-display with a long-term illumination in the dark after only a short exposure to light World Time (29 time zones) Automatic calendar Day of the week display Special impact resistant Waterproof: 200m Case width 44 mm Case material: resin and stainless steel Strap material: polyurethane Color: black and yellow gold 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