This watch is a great little watch -
Time set from front panel only - no ability to set from WWV.
I have not had to reset it in the months I have owned it. It is yet to be a full second off - so far the watch has not slipped as far in time as my watch setting error.
12 hour or 24 hour time.
Default state - displays year, month, day, day of week, and status of rechargable battery.
World time state - displays the time in one of 31 time zones, including GMT. Each zone can be controlled for DST.
Data - holds a short alphameric pointer and a bt of data that uses the year, month, day, hour, minute, second - I use it for Ham call signs. Holds 30 items. Suitable for phone numbers, for example.
Alarm screen - the watch will remember five different alarms by day, month year, hour, minute, sec. It will alarm the same time and day every year or the same day every month or the same time every day - or just once, at a particular year, month, day, hour, minute, and second. There is a sixth screen where you set the hourly chime on or off.
Stopwatch screen: The stopwatch does splits and final time. It also does a "countdown" where it beeps three times and then a "go beep", optionally, if you are timing someone in something and they want an honest and accurate start.
Timer screen: The timer will do countdowns - either a single time or it will automatically repeat.
The face is a solar cell. It automatically recharges the battery. The watch can be put to sleep by holding adjust and mode - you won't get alarms or beeps in that mode, nor will you get a display - but the watch will keep time for much longer.
The backlight really works - in the old days, backlights on LCDs were miserable and then some of the watchmakers used tritium radioactive elements that were nicely lit but which you can't get anymore. Then there were some attempts at better pushbutton backlights - this is about the best I've seen. It is clear and you really can see the watch using it.
It works in one of two modes. One mode is that the watch backlight only engages when you push the button on the face - that's right, the easy to reach silver button on the front center of the watch lights it up.
The other way is to use the automatic feature - If you wear your watch on the outside of your left wrist, then IF it is not too bright and as you look at the watch the way most people do, by tilting your wrist toward you, the watch automatically lights up. This is essentially automatic - you look at your watch and it is lit up. This function is selectable - You might want to make it manual to save battery. I find it is too convenient to do without.
Despite the wonderful pressure ratings, unless you are very small, this watch is not suitable as a dive watch. The band won;t fit over a wet or dry suit. If you are doing warm water wimp diving in a skin or a shortie, you can use it - if you need to put it over a wet suit or a dry suit, the band is simply way too short. I know of no source for a band extender. Neither do the people at Casio. For short duration use, a wire tie or two will probably work.
What 20 bar rating means to me is that I could take it diving. Or, I could get it wet and not worry, even if the water is coming out of a hose with some force. The band means that I can't wear it where I need it - on the outside of my wetsuit or drysuit.
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Casio Men's G-Shock Classic Solar Powered Digital Sports Watch #G2310-1VProduct Description: Take it to the max with the shock-resistant, solar-powered Casio G-Shock men's digital sport watch (model G2310-1V), which offers a wealth of performance timing features and cutting edge technology. It features a 30-page databank that allows you to store phone numbers and other valuable contact information (8 characters for name and 12 characters for telephone number). For timing your sports training sessions, it offers a 1/100-second stopwatch with a 100-minute measuring capacity and elapsed time, split time, and 1st/2nd place time modes as well as a 24-hour countdown timer. It's also solar-powered--charging in either sunlight or indoor light--so you'll never have to deal with changing the battery. Light enters the watch through the sapphire crystal and dial, and hits a solar cell beneath the dial. Current is created and stored in the battery.
It has a durable black resin case with silver highlights and comfortable resin strap, and it will stand up to the rigors of recreational scuba diving, with water resistance to 200 meters (660 feet). Timekeeping features include four independent daily alarms (with one snooze alarm), an optional hourly time signal, world time from 29 time zones/27 cities, year/month/date/day display (with an autocalendar to the year 2039), and a battery power indicator. It also offers a scratch-resistant mineral crystal, and AfterGlow LED electro-luminescent backlight.
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This watch does exactly what I want it to, tell me the exact time no matter where I am in the world.It is supposed to pick up the time signal in Europe, England, Japan, and America, but I have only tested the first two so far and it works fine.It features multiple (30 I think) time zones, including some +30 minute zones.There is no GMT zone, but I turned daylight saving time off for LISBON and use that in place of GMT.It has 5 alarms, which is 3 or 4 more than I can use, but nice to know they're there if I need them.Countdown timer only goes up to 59:59, I'd like to have one that counts longer than one hour.
