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The Breitling B-1, launched around 1998, has had three variants as per the table below (not mine, taken from another website).
The movement was originally the B68 (ETA E20.331) which was then replaced by B78 (ETA E20.341).
B78 / ETA E20.341 is a known TC movement, and so eligible for and meets the COSC spec, and is a potential HAQ candidate.
However, what I can't square off is B68 and the fact that it was bestowed COSC status post-2001, despite not (apparently) being TC.
I've checked the…
