Casio Classic Watch AQ-800ECGG-4ADF

Approximate battery life: 3 years on SR920 Resin glass Universal time Dual time Stopwatch with an accuracy of 1/100 second, measurement capacity: 59'59.99'' Measurement mode: elapsed time Hourly alarm/time signal Daily alarm Hourly time signal Calendar Automatic calendar (28 days for February) Accuracy Accuracy: ±30 seconds per month Other features 12/24 hour format Regular time recording: analog: two hands (hour hand, minute hand), digital: hours, minutes, seconds, evening, month, date, day Case size (length × width × height): 40.7 × 32.1 × 8.7