The Casio W-217H-3AVDF combines a large, easy-to-read digital display with a practical outdoor-inspired design. The green resin case and matching resin band give the watch a sporty, casual appearance, while the contrasting display provides good visibility during everyday use.

The watch measures 43.1 × 41.2 × 10.5 mm and weighs just 32 g, making it lightweight and comfortable for extended wear. The case and bezel are made from resin, while the crystal is resin glass. The compatible wrist size is approximately 145–215 mm.

Its digital timekeeping displays the hour, minute, second, PM indicator, date, and day. The watch supports both 12-hour and 24-hour formats, allowing users to select their preferred time display.

For timing activities, the W-217H-3AVDF includes a 1/100-second stopwatch with a measuring capacity of 59 minutes, 59.99 seconds. It supports elapsed time, split time, and first- and second-place timing.

Additional functions include a daily alarm, hourly time signal, amber LED backlight, and auto-calendar. The calendar is automatically programmed with February set to 28 days.