To best help collectors to identify the timepieces and the differents Rolex models, we will try to identify the different types of crowns.
All have the same function, ensure waterproof of the case.
However they are not all alike according to the models / versions.
Here are some examples that will help you identify the best time and the models :
SUBMARINER FROM 60'S :
SUBMARINER SECOND GENERATION :
SUMMARY TABLES ROLEX CROWNS :
TWINLOCK SYSTEM
DIFFERENTS TYPES OF ROLEX CROWNS :
DIFFERENCES SUBMARINERS CROWNS SINCE 1959 :