For me, AM means in French "amagnétique" “non-magnetic.” AM also used by Patek Philippe for ref 3417 In chronological order, I think TR 900, then AM, and finally the so-called “Bronze.”
I did some research on this FF bronze. Nicolas cited it in his study on bronze cases "Blancpain Fifty Fathoms Bronze Milspecs. 14 years of investigation on case numbers" It appears in Mr. Konrad Knirim's excellent book on military watches . The attached photos show the movement... And it's obvious t
I thought Bonhams was serious????? To come back to this "command air" It has already been sold at Dorotheum in Vienna a few years ago. Despite my report it was not withdrawn from the sale.
No worries Nicolas for your watch, it's all good. I just bought an FF which has the same characteristics, drilled lugs, triangle bezel, "wide" space of the dial and rotor, as well as the bezel fixation. Only the crown is different although also FF compliant. My watch is in the 300s, yours? I'm think
Merci pour tes recherches et ton analyse sur cette énigmatique série»bronze » J’ai effectué plusieurs plongées avec une de ces montres lors d’un séjour plongé au Mexique. Mes conclusions: ces boîtiers en bronze ne sont pas fiables pour la plongée, au contact de l’eau de mer le boîtier » s’oxyde » et