if it's any small consolation, many gens, mine included, broke their bezel springs and are now free turning...The fit is exceptionally tight and still very smooth, I would send it off for service, just not sure it would get back to me...
“dive” would be too graceful a term, but yup, it’s been in plenty of seawater. Always rinsed afterwards, but maybe not thoroughly enough...usually just to make sure sand and debris were cleared from the bracelet...