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Why 3 stars, when accuracy, ease of use, and comfort all got 5? Because one of those accurate "features" is the ability to set 5 separate alarms, as well as an alarm that beeps every hour on the hour. Setting these alarms and turning them on and off are easy enough. The downside? The alarms are INAUDIBLE! If the watch is held literally next to the ear when the alarm goes off, it is possible to catch a very faint beep, but if the watch is more than 3 or 4 inches from the ear, the alarm simply cannot be heard. Is it a big deal? Not if alarms are just a frill that you don't intend to use (particularly when mobile phones do the job just as well or better), get the watch. It's great. Looks great. Wears very comfortably (the strap is the most comfortable I've ever experienced). Keeps marvelous time. Never needs winding or battery changes, as it's solar-powered and obtains an atomic signal every night that keeps the watch perfectly accurate. The caveat is that if you expect your watch to deliver 100% on all its featured functions‑‑-including an alarm that can be heard more than 3 inches from your ear‑‑-you will be disappointed.
Two features I really wanted might as well be missing. The alarm & countdown timer alarms can't be heard unless I hold the watch right to my ear. I have reached out to Casio by email & by chat and might as well have just shouted out my window - useless.
Otherwise I really like the watch. If anyone knows how to make the sounds louder, please reply.
UPDATE: Casio has replied there is no way to make the sounds louder. Bummer.
Checked my order history. Received this watch on July 3rd. Now its, Aug 23rd. The battery died last night. I realize its just the battery, but literally 1 day past when I can return this watch, it quit. To give Casio a (slight) break, with the way Amazon works now, no telling who actually sold me this watch, and no telling how long it has been sitting around. This purchase will make me skeptical and pessimistic of every Amazon purchase in the future.
It’s easy to read and the night light is very cool. The instructions for setting it up are difficult to understand and the automatic night time zone adjustment kept setting the time an hour wrong. When I finally got that stopped it now changes the day and date at noon instead of midnight- can’t seem to change that…..