Casio AE-1600H Series Black 10-Year LED Illuminator Digital Watch, Black, AE1600H-1AV.

Bold, large-face design: Features a robust 54.1 × 49.7 × 15.9 mm case and a bold LCD display for crisp visibility. The oversized layout and large numbers make the time and function displays easy to read in various settings. 100m water resistance. Designed for everyday use, this watch is water-resistant to 100 meters, making it suitable for recreational swimming and exposure to water. The lightweight resin case and band provide comfort and durability. Multifunction digital features: Includes dual time, 1/100 second stopwatch, countdown timer with auto-repeat, 5 multifunction alarms (including 1 snooze alarm), and hourly signals. Supports both 12-hour and 24-hour formats. LED backlight with halo; Equipped with a bright amber LED backlight for improved visibility in dark environments. The placement of the front buttons allows for quick and easy startup and access to information at any time. Long lifespan: Powered by a CR2032 battery, this watch has a lifespan of approximately 10 years and is designed for long-term use with minimal maintenance, maintaining an accuracy of ±30 seconds per month.