Here are a few of the more typical crown. I am excluding the Bart as yours is obviously not a Bart.
Again I am just showing examples and not drawing conclusions. These are 5513 gilt T<25 example 1964-1966 ish.
What is the serial number of the watch.
Bill
Rolex 5513 Gilt t <25 serial 1.5
Rolex 5513 Gilt t <25 serial 1.2
Rolex 5513 Gilt t <25 serial 1.3
Rolex 5513 Gilt t <25 serial 1.1