We've had these watches over a year but now we've lost one, and we're getting another.  These watches keep good time and are waterproof - they've even ended up in the washer a couple of times.

The color of the watch hands matches the numbers - the hour hand matches the color of the hour numbers, and the minute hand matches the color of the minute numbers.  It is easier for kids to match colors than to remember that the the shorter hand is the hour hand.  This watch shows the minutes from 0 to 59.  Note that some other teaching watches either do not show the minutes, or show the minutes decreasing past the half hour (e.g., instead of showing "40" at the 40 minute mark, they would show "20".)

The watch glows with a blue light when the knob is pressed and the battery lasts a bit over a year.  This watch has a tick-tock sound which to me is more interesting than a silent watch. The band is soft, stretchy, and comfortable and looks really good for a few months, then it gets picked up and looks fuzzy.  The only thing I don't like about this particular watch is the second hand.  The second hand has little sports balls at the end which are attractive, but they are large enough to obscure the other hands for several seconds while they tick on past.