Rolex

Bill
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Rolex 5513 the same but not quite

This will be a fun exploration.

In this first picture you will two watches which appear to be very similar. The Rolex coronet is almost identical very close to the Bart Simpson. The flat bottom is distinct. The Swiss t<25 also fills the space right to the edge between the minute marker. However the ft are not the same alignment.







By now I am sure you are a little curious. Big deal. A little examination and we see the lume plots are different. One appears to be about a 1mm closer to the minute markers and a little larger.










Your interest is still high.

The revealing shot.




The helium escape valve.

Now you can see what you have, the early Comex 5513.





Another piece on interesting Rolex info. These early Comex still did not have the Comex marking on the dial. It has all of the other characteristics with the serial engraved inside the case back and the obvious helium escape valve. I am sure there will be some controversy as to whether no Comex on the dial meet the broad consensus but this is what I have observed.   This was an encounter with a friends watch.

Enjoy

Bill