Thanks Dr. Tabby - much appreciated, and “buying the seller” is sage advice. Regarding the movement, that’s the first I’ve heard that the 510 was from JLC - I’ll certainly look into that more closely, as I’ve also read that both the 510 and the 511 were modified versions of the FP 1150 but also that
Hi all I’ve been reading up on a few watches that have caught my eye, one of which is the Breguet 5907. As understand it the 5907 was made with two movements: originally it came with the Cal. 510 and later with the Cal. 511. The main differences between them seem to be: 1. 95-ish hour power reserve