6CB

Start Year
1962
End Year
1964
Jewels
17
chicagofamilyt…
Posted June 7, 2020 - 11:24am

Movement 6CB, M4 1964 date code, 17 jewels, Swiss made.Movement 6CB, M4 1964 date code, 17 jewels, Swiss made.

xyzzy
Posted January 12, 2021 - 4:49am

Movement 6CB, M2 1962 date code, 17 jewels, unadjusted, Swiss made.

6CB M2

Looks like this one got water in via the crown and rusted.  Someone gave up after removing the ratchet and crown wheels.