HI.
I've had a lot of watches. Probably the best most practical one would be my Timex Thermometer.
I like all of the features.

I use the stop-watch in the gym (home gym) I recently helped train my son in a workout program and we used it quite a bit. Time stays visible in another window!

I use the timer for eBay auctions (This is one reason I started wearing a watch again after 10 years of not). I have lost many an auction, and for cheap, just because I forgot to set it. I usually set it 5 minutes before auction end. I really like how I can leave it in timer mode, or most others, and I can still see the time in another window.

Thermometer: Works great to see water temp of the water when we go swimming. We go swimming a lot. It also works well to see the temp at any time of the day. You'd be surprised how accurate it actually is.

It's waterproof! Swim with it.

World Times: I talk with people all over the world so it's nice to know what time they have.

It's used. I don't over worry about scratching it. Just wear it and use the hell out of it!

It also has some other features such as high and low temp for world locations but I'm unsure how that works.

I also has 5 different alarms. I am always juggling things so this comes in handy too.

So, if you see one for sale pick it up. It just might be one that works great for you too.

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~John