As early as 1971, the Rolexsubmariner, the RolexOyster PerpetualseaDweller 2000 hasbecomeoneofthevery fewwatches that couldsurvivepressuresinextremeconditionsunderthe sea.
You really need to know enough about watches in order to perform theRolexSubmariner test, so in a larger sense, you need to know about watches a bit before people able to compare them.