My now wife, as a wedding gift, gave me a watch with an altimeter, compass, barometer etc. When we were on our honeymoon in southern Florida, I was playing around with the altimeter an it always said I was at anywhere around -45 to -50 below. I assume that means below sea level???

I checked it at the beach, a little inland, and hiking in the Everglades and it was always around -50 in altitude. I read that the watch determines the altitude by air pressure. So does that mean that I was -50 below sea level? And if so, shouldn't I have been under water. There are no levies off the coast so I am baffled.

Anyone know the answer to help this novice?


Tom
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"Let's not miss the beauty of the forest by the ugliness of some of its trees." Bill W.