Casio Women’s LWS200H-8ACF Solar Runners 120-Lap Digital Sport Watch

April 9, 2014 - Comment

Product Features Tough solar powered; LED light; World time 1/100th second stopwatch with 120 lap memory Countdown timer; 12/24 hour formats 5 alarms Water-resistant to 165 feet (50 M)

Buy Now! $39.95Amazon.com Price
(as of 08/24/2019 18:31 GMT+1200 - Details)

Product Features

  • Tough solar powered; LED light; World time
  • 1/100th second stopwatch with 120 lap memory
  • Countdown timer; 12/24 hour formats
  • 5 alarms
  • Water-resistant to 165 feet (50 M)

Comments

aconsumer says:

Mine is fine 0

Number Six says:

Great value, solar watches are different Our family own’s four Casio solar watches. We love them but we understand them.The U.S. English manual for this watch can be found at […]1. A solar watch work by capturing the energy of ultraviolet light and using it to charge an internal lithium based rechargeable battery. Because most people don’t understand that their watches charge using the ultraviolet portion of the spectrum, many try to use light sources that won’t work (desk lamps for example) or time periods that won’t work (see paragraph 2) and are then disappointed. Sunlight has copious amounts of ultraviolet; sunlight through windows has some; fluorescent based light has a little; incandescent light has effectively none.Q: Why didn’t Casio design mine to use visible light so I can use my desk lamp?A: You don’t want to know. (It has to do with usable voltage and the physics of doped semiconductors and photon capture.)2. The capacity of a typical solar cell watch battery…

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