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  • Casio Men's WS220-1A "Tough Solar" Runner's Watch
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Casio Men's WS220-1A "Tough Solar" Runner's Watch

List Price: $49.95
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  • Imported
  • Wide face solar running watch with a black resin band and buckle closure
  • Five alarms; 1/100 second stopwatch with 120 lap counter; LED light
  • Countdown timer; Auto calendar; World time (31 time zones and 48 cities)
  • Easy push button front light
  • Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving

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Product Specifications

Watch Information
Brand, Seller, or Collection Name Casio
Model number WS220-1A
Part Number WS220-1A
Item Shape Round
Dial window material type Mineral
Display Type Digital
Clasp Buckle
Case material Resin
Case diameter 50 millimeters
Case Thickness 15 millimeters
Band Material Resin
Band length Men's Standard
Band width 26 millimeters
Band Color Black
Dial color Grey
Bezel material Resin
Bezel function Stationary
Calendar Day, date, month, and year
Special features Alarm, World Timer
Item weight 4.80 Ounces
Movement Japanese quartz
Water resistant depth 330 Feet
Warranty type Contact seller of record

Product Description


With the launch of its first watch in November 1974, Casio entered the wristwatch market at a time when the watch industry had just discovered digital technology. As a company with cutting-edge electronic technology developed for pocket calculators, Casio entered this field confident that it could develop timepieces that would lead the market.

Today, Casio is focusing its efforts on solar-powered radio-controlled watches: the built-in solar battery eliminates the nuisance of replacing batteries, atomic timekeeping means the users never have to reset the time. Recently, Casio launched a series of Bluetooth watches that sync to the users cell phone to automatically update the time. Casio is always moving time forward.

Sport watch, Tough Solar technology, Digital quartz movement for secondary battery, Positive (dark-on-light) numbers, World time function displays current time in 48 cities (31 time zones), 1/100-second digital chronograph with 120-record lap memory measures lap time, elapsed time and split time, Countdown timer (2 available with up to 10 repeats), Home City code, Standard/Daylight Saving Time feature, 12/24-hour formats, Alarm mode (4 one-time, 1 snooze), LED (light-emitting diode) backlight, Full Auto-calendar pre-programmed to 2099, Digital day-date-month-and-year display, Digital grey dial, Ventilated matte black resin strap with matte black resin buckle, Matte grey resin bezel with engraved print, Matte black/grey resin round case with four brushed silver-tone screws, Textured matte black resin selector buttons, Stainless steel caseback, Acrylic lens, 100 meters/330 feet water resistant. The top left corner there is H (high), M (Medium), L (Low) to indicate the current battery level. Each of these markers are printed on the face of the watch in white on a black background so they are easy to read. The black bar will be illuminated next to the H, M or L to indicate the current battery power level.The description of this watch is accurate and the battery power indicators are actually very easy to read.

  • ASIN: B005JVP0FA
  • Product Dimensions: 4.9 x 3.4 x 2.3 inches; 4.8 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Item model number: WS220-1A
  • Batteries: 1 Nonstandard Battery batteries required. (included)
  • Amazon Best Sellers Rank: #1,115 in Watches (See Top 100 in Watches)
    • Average Customer Review:

    Customer Reviews

    This watch has a countdown timer and stopwatch, which is enough for me.
    The capacity of a typical solar cell watch battery is huge compared to the watch circuit's daily power requirement.
    Number Six
    This is a good choice I recommend this watch is great with good look and tough in all ocasions !!!

    Most Helpful Customer Reviews

    44 of 45 people found the following review helpful By Chuck Barr on March 17, 2012
    Verified Purchase
    The watch came charged up. On the first day I ran it down to 'M'. The following Saturday I let it charge in full direct sun for 8+ hours. Since, even with moderate/heavy daily use, the watch has never went below 'H'. One day a week I place it in the window (often on overcast days) to charge... that's it, so the solar seems to work great. I do keep the energy saver on and the light on '1 sec' however.

    Most people think it's a G-Shock from the appearance.

    Initially I was attracted to this watch because of the dual countdown timers. I was disappointed you cannot have them run simultaneously, only alternating. This is great at the gym, though. I didn't think much of the large stopwatch memory, but now I love it! Each sequence uses mutiple memory slots (a date/time slot, and another for each lap) but with 120 available it doesn't matter. I wish it were possible to turn off the 'best' lap feature because sometimes I consider the longest time 'best'. The manual is thick thick but the watch is pretty easy to use and all the alarms are easy to set/change.

    The backlight is weak, not the blue vibrant electro-luminescent of casio or timex indiglo. There is a tiny yellow diode in the bottom left near the 'T' in the word SELECT. It gets the job done. It doesn't really bother me except I may have gotten the 'gold' model WS220-9AV instead had I paid closer attention.

    The watch beeps nicely. I can navigate to any mode by listening to the sound of the beeps. Press until high pitched beep (standard time mode) +3 regular beeps = countdown timer, for example.

    The alarm is not super loud. The sound would be lost driving on the highway, but not around town streets.

    The band is good, does not pull hair. I trimmed 4mm off and it still looks great.
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    23 of 24 people found the following review helpful By Number Six on April 6, 2013
    Verified Purchase
    Updated: I'm right at two years with mine. I purchased it with a specific use in mind. I swim regularly. Based on the feedback of other swimmers, waterproofness of digital watches is hit or miss with most staying water-tight. That is, until the battery has been replaced. After that, it's often a "miss". So, I bought a watch that shouldn't need a battery replacement during its expected lifetime - the WS-220-1A.

    I love the watch. As someone else said, it resembles a G-Shock. Love the looks, the accuracy (it gains 3-4 seconds per month), the features and the improbability of ever having to replace the rechargeable battery. I initially topped off the battery by leaving it on my windowsill in direct sunlight for a day and it's never indicated less than fully charged since.

    It's become my daily wear casual watch. 5 stars.

    Addendum: My family own's six Casio solar watches. We love them but we understand them.

    1. A solar watch uses the energy of ultraviolet light to charge a a lithium based rechargeable battery. Many who don't know that solar watches charge using the ultraviolet portion of the spectrum often try to use light sources that won't work (desk lamps for example) and are disappointed. Direct sunlight has copious amounts of ultraviolet; 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 photon capture using doped semiconductors.)

    2. The capacity of a typical solar cell watch battery is huge compared to the watch circuit's daily power requirement.
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    29 of 32 people found the following review helpful By Christopher M. Heise on July 4, 2012
    I have an Ironman, Timex heart rate monitor, and two Expedition models. They all have the same features that are just remixed into different watch bodies. My daily watch, which you guessed it, was a Timex, had disappeared so I was in search of a new watch. I did find it but I decided to purchase this one anyway. I'm glad I did. I research almost every purchase I make because I like to get the most for my money. I'm a huge tech geek and was looking at way more expensive watches than this. I tried on and checked out a ton of watches with way more bells and whistles only to find out none of them worked particularly well and really weren't reliable.

    Here was my criteria for a new watch - It had to be able to withstand all nature could throw at it along with the extreme heat of my work environment. I wanted a digital with the month, day and day of the week displayed. I also wanted a reoccurring timer for interval training and I also wanted a resin watch band and here's why, I spend a few days a week at the beach and like to keep my watch on when I'm in the water. I also do some hiking and leather tends to dry out over time from getting wet and drying. Leather and nylon bands also eventually start to stink over time due to bacteria and sweat build up even with regular cleaning... which also drys out leather.

    After looking at all the different brands, Casio and this watch in particular, came out on top. It had all the criteria I was looking for. This watch hands down has great timer for interval training. I did not find the same type of timer on any other Casio watch or any of the other brands that I looked at. The timer was a huge selling point for me. It has two timers that run concurrent, so even if you have two periods of different lengths, they can be programmed that way.
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