Casio F-91w Digital Wristwatch.

Digital Display: Shows time, date, and day of the week. Functions: Includes a daily alarm, a 1/100-second stopwatch, and an hourly time signal. Backlight: Features a built-in micro-light for visibility in the dark. Durability: Built with a lightweight resin case and band. Water Resistance: Rated as splash-resistant, meaning it can handle minor water exposure but is not suitable for swimming.