I used the Breguet website to contact the manufacturer with a serial number and received an answer within 48 hours what year the piece was manufactured and to which AD it was sold.
... the 1994 Type XX Aeronavale had numerals in the chrono minute counter, a Breguet signature with a non-crossed „t“, slimmer lugs, a different angle of the rehaut, slimmer bezel and slimmer engravings, a non-tapering chrono seconds hand, numerals with s...