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Originally Posted by Car32

Hi Larry, reviving an old post. Is pitting a concern in normal day-to-day usage for modern 904L Rolexes, even with the occasional pool swim and salt water swim without rinsing afterwards?

Have there been a noticeable number of cases with 904L pitting?

Thanks in advance.

904L Steel has much higher corrosion resistance than 316L stee;. There is also a better design with the o-ring channel and mating surfaces in newer models.

We should rinse after chlorine and salt water exposure because when it dries it leaves an abrasive film.