: They do ascend, and can somewhat be estimated per year, but it's
: not exact. Most watches in 1969 seem to fall in the
: 10xxxx-14xxxx range; the serial on your Bund would suggest
: sometime in the 1980s.

: Those papers that show a 3xxxxx serial for 1969 are either
: falsified or the result of shoddy authentication...

i've also seen several claims on the MWR board with extensive knowledge claim six digit SN was used for early 70's.
There really is a lot going on with these watches . Fairly difficult to find strong accurate and conclusive info as well. the brown-snout article is
very good but not complete as far as i can tell. No Mention of the Dials with big cutoff on 2-8-10 .