Casio watches in general are absolute beasts.

I have a Casio A500WA, nothing fancy at all. It's about 8 years old, has been through daily battering at my job and has been submerged in water regularly. Still works just as well as the day I got it. Haven't even needed to replace the battery yet. This current one replaced my old one, only because I lost it.

They're the best. My mom has had one for probably over 20 years. She also has the leather Felco holster for it and it's still going strong after the same amount of time.