Gruen doctor's watches.

All the examples I've seen have a single crown.  Did Gruen or Rolex ever fit two on a doctor's watch, one for each dial?

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My instant reaction is to say no, I think those two crown ones are all quartz styles.

Let me see what I can find in the reference books.

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Could not find any two crown Gruen or Rolex doctors watches in any of my reference books.  That being said there is still a possibility it exists, but I have my doubts.