Vintage Rolex Precision–help with ID/info?

Can someone help me identify this watch model? The case diameter measures roughly 30mm. I picked it up 20-30 years ago and had kind of forgotten about it until I unpacked from our most recent move. From my own amateurish research, it appears to be from the 50s, but most of the similar watches I’ve found either have a larger crown in lieu of the 12 hour or slightly different hour markers or red date numerals. I know next to nothing about vintage Rolex watches so really appreciate any help…

Vintage Rolex Precision–help with ID/info?

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