Casio Collection AQ-S810W-1AVEF, a watch made for everyday wear that lets you forget about battery changes, as it runs on solar energy.

• Analog-digital.
• Black dial with luminous hands and indexes.
• Display showing the watch's different functions.
• Black resin case and strap.
• LED light.
• Solar, recharges from both natural and artificial light through solar cells, and surplus energy is stored in an accumulator.
• World time for 29 different time zones.
• Stopwatch with 1/100-second precision, up to 1 hour.
• 2 independent timers with automatic repeat, in 5-second steps up to 100 minutes.
• 5 daily alarms, so you never forget an important event.
• Button tone that can be turned on or off.
• Auto calendar.
• Domed acrylic crystal.
• Low battery indicator.
• Water resistant to 100 m.
• 3-year warranty.