The Casio W220H-1A Digital combines a compact 36.6 mm case with a lightweight 27 g build, making it an ideal choice for smaller wrists and all-day comfort. Its black case, digital LCD dial, and black strap deliver a sleek, understated style, while the bio-based resin band highlights Casio’s eco-conscious design. Equipped with Module No. 3549, this watch features an auto LED light with afterglow, dual time, stopwatch, countdown timer, daily alarm, hourly signal, and a full auto-calendar programmed to 2099. Offering both 12/24-hour formats and reliable timekeeping with ±30 seconds accuracy per month, the W220H-1A ensures dependable performance. Powered by a CR1616 battery, it provides approximately 3 years of battery life.

- Module No. 3549
- 43.0 x 36.6 x 10.9mm Case Size
- 27g Weight
- LED light: Auto LED light, afterglow
- Dual time
- 1/100-second stopwatch
- Countdown timer
- Daily alarm
- Hourly time signal
- Full auto-calendar (to year 2099)
- 12/24-hour format
- Regular timekeeping: Hour, minute, second, pm, month, date, day
- Accuracy: ±30 seconds per month
- Approx. battery life: 3 years on CR1616