Casio Solar Imported AQ-S810W-3A Men's Analog-Digital (Combination) Watch,

100m waterproof. This Casio watch is shock-resistant, features Tough Solar power with an indicator, and power-saving features. Estimated battery life: 10 months with rechargeable battery (normal use without exposure to light after charging) or 23 months with rechargeable battery (stored in the dark with the power-saving function on after a full charge). World Time (31 Time Zones / 48 Cities, Coordinated Universal Time) - Daylight Saving Time On/Off & Home City/World Time City Swap). 1/100-second stopwatch (measuring capacity: 59 feet 60 inches) Two countdown timers, alternating between two different paces during interval training. Five daily alarms and an hourly time signal. Automatic calendar to 2099, no need to adjust the number of days in leap years until 2099. Mineral crystal.