Anyone noticed this before

May 11, 2023,20:33 PM

Not visible on the breguet tradition 7027

But EVERY tradition 7037 ( automatic seconded retrograde ) has it

First I thought it was a manufacturing error…. But since ALL 7037 have this strange notch….. it’s no coincidence not an error
But …. Someone knows the purpose of this ?

5 random Google images ….

More posts: 7027La Tradition Breguet

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What an odd thing...

 By: mdg : May 11th, 2023-20:37
...all I can think of is that it facilitates the watchmaker when servicing the movement? Weird...

👍🏻 Yes, I think so too.

 By: MCG (Markus) : May 11th, 2023-20:46

I assume this is the mainspring barrel? Could the indent serve ...

 By: Marcus Hanke : May 12th, 2023-10:19
... to more conveniently lift out this barrel during service? Marcus

I think it is.

 By: RayLoveWatch : May 12th, 2023-10:35
Maybe it's an upgrade from 7027 since 7037 was later.

Confirming on my 7037 as well

 By: prachi : May 17th, 2023-19:02
Confirming with a photo of my 7037 as well. As others have said, I imagine it was placed there to ease the job of the watchmaker. The Naked Watchmaker has a deconstruction of the 7097 (the updated 7037) with lots of photos. Perhaps someone can figure it o...