amanico[JLC Moderator]
400937
A nice couple of vintage Girard Perregaux Divers: Ref 9108 and 9076.
Here the advertising:

And the watches I could take in picture:
And four years before, in 1966, the reference 8867, for the good measure, with a more conventional case.

These Vintage GP Divers are really cool!
Best,
Nicolas