The Casio DA-7 is a digital wristwatch that features a time and date display. It also includes various functions such as a stopwatch, countdown timer, daily alarm, 12/24 hour format display, and hourly time signal. The watch has an automatic calendar, which takes into account leap years, and an easy-to-use button operation interface. With its sleek design and durable construction, the Casio DA-7 is a reliable and practical timepiece that is perfect for everyday wear.