Thanks
@yala
I also thought that the crown was at odds with the overall appearance of the watch - much more wear. It also has a different profile to the crown shown on the reference (
https://universalgenevepolerouter.com/photo-galleries/referencegallery/), but in the end decided that I didn't care.
The serial of the watch points to a manufacture date of 60/61 and the purchase documentation is dated 1963, so the band (which looks unused) and buckle are undoubtedly later additions, but in keeping.
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