I got one of the original Navy SEAL Luminox watches as a gift about 15 years ago. I thought it was great and, in the dark, I could really see the time.
I took it on a diving trip to Belize in 2001, however, and it literally fell apart. I took it on a dive, nothing serious for a watch supposedly tough enough for SEALS. It filled up with water; it still ran, though not accurately. By the middle of the trip the hands had come off and it finally died. It was a bummer, as I really dug it.
The toughest watch I have ever owned was a Fortress. I don't think they are in business anymore, but if you can find one on EBay, they are bombproof. I wear one climbing. For those of you that don't climb, it is a sport that eats equipment, but my Fortress still keeps going. And it was less than $100 brand new.
ERG