A curiosity and quite a rare one as it is only the second time I see one in person. Alas not mine. Our Fifty Fathoms Parisian GTGs are always full of surprises! Best, Nicolas ...
Ah that’s interesting to know. I’ve only ever noticed versions with the Waltham signed backs and Waltham signed rotors. I wonder if the ones with the BP signed backs also have a BP signed rotor. It’s always good to have an understanding which combinations...