I ve not seen Mstanga’s bracelet chart sorry, Im just speaking out of personal experiences, the date in the clasp is much closer to the manufacturing date of the watch, than of the date stamped on the caseback. So, from what I have seen, a 105.012-65 assembled in mid 66 will have a 1/66 or 2/66 clasp. A very early 145.022-69 might have a 4/69 and the ones that came later with DNN bezel will be stamped 3/70 and so on... In my personal experience I have not handled a one owner speedmaster that has a bracelet with a date earlier than the year stamped in the caseback.
I dont own the MWO only though, I might be wrong if so please correct me.
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