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

Bold, large-face design: Featuring 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 display easy to read in various settings. 100m water resistant. Designed for everyday use, this watch is water-resistant up to 100 meters, making it suitable for recreational swimming and exposure to water. The lightweight resin case and band provide comfort and durability. Multifunctional digital features: Dual time, 1/100 second stopwatch, countdown timer with auto-repeat, 5 multifunction alarms (including 1 snooze alarm), and hourly signal. Supports both 12-hour and 24-hour formats. Halo-type LED backlight; Equipped with a bright amber LED backlight to improve visibility in dark environments. Front button placement allows for quick and easy startup, providing 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.