Casio AQ-S810WC-7A Solar Powered World time 100M Watch Black White

Tough Solar Power, 100M Water Resistant, LED Light with Afterglow, Neo-brite luminous hands and markers (AQS800WD)
World Time, Multi-lingual Day of Week display (English, Portuguese, Spanish, French, German, Italian), 5 Daily Alarms, Hourly Time Signal
1/100 second digital stopwatch, 2 Countdown Timers (can be used for interval training that alternates between two different paces), Countdown input range: 5 seconds to 99 minutes 55 seconds (5-second increments and 1-minute increments)
Full Auto Calendar (pre-programmed until the year 2099), 12/24 Hour Formats, Button operation tone on/off, Accuracy: ?? 30 seconds per month, Storage Battery: Solar Rechargeable Battery
Battery Power Indicator, Power Saving Function, Approx. battery life: 10 months on full charge (without further exposure to light), Module 5208, Size of case / total weight: 47.6 x 42.0 x 10.6mm / 89g