The Casio AQ-S810W-1AV is a robust and versatile timepiece designed for those with an active lifestyle. This analog-digital watch features a sporty design complemented by a black resin case and strap, ensuring durability and comfort. Powered by Casio's Tough Solar technology, it harnesses light to maintain optimal functionality without the need for frequent battery changes. The watch offers a comprehensive World Time feature, covering 31 time zones and 48 cities, making it an ideal companion for travelers. Its 100-meter water resistance ensures reliability during water activities, while the LED light with afterglow enhances readability in low-light conditions. Additional features include five daily alarms, a 1/100-second stopwatch, and two countdown timers suitable for interval training. With a full auto-calendar pre-programmed until 2099, the AQ-S810W-1AV combines functionality with style.