Yes it's possible,

i had a double grain like yours that was very worn.
My watchmaker opened all the links and welded stainless steel where material was missing.
Result is perfectly like new, only a bit expensive!

: Hello together,

: i got a watch with an early GF-braclet. It's suffering from
: stretch. So is it possible to tighten the strap?

: And here are the watch&strap

:
:

: Cheers,
: Manuel