Casio watch AQ-S810W-1A4V

• Case / bezel material: resin
• resin band
• Resin glass
• Water resistance up to 100 metres
• LED light (LCD screen part only)
• Selectable illumination duration (1.5 seconds or 3 seconds), Twilight lighting
• Solar powered
• UTC
• 31 time zones (48 cities + coordinated universal time), daylight saving time on/off, Switch home city / world time city
• 1/100 second stopwatch
• Measuring capacity: 59’59.99 ”
• Measurement modes: Elapsed time , split time
• 2 countdown
• It can be used during interval training that alternates between two different speeds.
• measruing unit: 1 sec
• Input range: 00’05” to 99’55” (in 1-minute increments and 5-second increments)
• Other: Settable number of repetitions from 1 to 10
• 5 daily alarms
• Hourly time indication
• Battery power indicator
• Power saving (screen goes blank to save power when watch is left in the dark)
• Full auto-calendar (to year 2099)
• 12/24 hour format
• On/off button operation tone
• Set the time regularly
• Analog display: two hands (the hour hand, Minute hand (hand moves every 20 seconds))
  Digital: the hour , minute, the second , evening , the month , today , 6 languages ​​on the day of the week (English, Portuguese , Spanish , French , German , Italian)
  Precision: ± 30 seconds per month
• almost. Battery Runtime:
  10 months on rechargeable battery (operational period under normal use without exposure to light after charging)
  23 months on rechargeable battery (operational period when stored in a completely dark place with the energy saving function on after a full charge)
• Chassis size: 52.2 x 46.6 x 13.8 mm
• Total weight: 39.5 grams