Black Casio Digital Watch AE-1200WH-1AVEF The case and strap of the Casio digital watch are durable polyurethane. If necessary, the clock shows two different times and zones on the world map. You can also select the times of four cities as alternatives to the clock. The watch is waterproof and contains many features: Waterproof: 100 m LED backlight 12h / 24h display Equinox signal Timer (1/10 seconds - 24 hours) Stopwatch (1/100 seconds - 24 hours) World time and zones on the world map Multi-time (you can choose the times of four cities as alternatives) Alarm (5 alarms) Automatic calendar (day, weekday and month) Body width 42 mm Material: polyurethane Glass: acrylic Color: dark gray and steel gray Battery life up to 10 years battery 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