Originally Posted by Speedo66
I wore a 1970 Rolex Submariner with a plastic crystal for over 35 years, same crystal. Never took the watch off.
I've been in hot tubs, hot showers, soaked in tubs with very hot water for back aches, dove with it in the warm waters of the Caribbean and Red Sea, and never had a problem with the crystal, or water intrusion.
Didnt say it was common, only that shit happens sometimes.