Breguet

allow one to see the “action” of the two pallet-fork jewels locking the escape wheel teeth. It’s a pretty cool way of showing the guts of a movement in a fairly cool, artistic way. Haven’t read about this in any other posts so excuse me if this is known t...  

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Cool detail!

My Tradition 7027 has the same two holes--I was just spending a minute enjoying watching that fork rock back and forth yesterday, if you can believe it! Sorry no picture to demonstrate.

mystical view is they’re 2 eyeholes allowing A-L Breguet to see the future iteration of one of his designs