Double-signed (manufacturer and retailer) Vintage Watches Only!

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Double signed watches often arouse interest from collectors, and, all other things being roughly equal, typically sell at premiums over those signed only by the manufacturer. As I happened to stumble across an ETERNA today with an uncommon retailer signature, I thought that developing a dedicated thread might prove to be both fun, and ultimately useful as a reference.

The rules are simple, so please: only post double-signed watches (manufacturer and retailer), and while the condition is generally not relevant (e.g. the re-lumed hands in the watch below), for obvious reasons, do try to avoid posting dials that are not likely to be original.

 
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No longer in my possession, but still in the OF family. Ref 2759-7SC (case also used for ref 2761) w/ cal 420.

 
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Nice one ^ !

Not common with 666 Ingenieurs.
 
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Here’s mine, a Favre-Leuba Zenith:


Also used to own this: