To mention a few: high res pics of the inside-caseback (if the watch is opened, which might not be a good idea if the seller and you have no experience with that...), of the movement and calibre (including the serial number), of all the angles you can think of, of the case and 1:1 straightforward from the dial.
IMHO btw, an automatic watch does wind, and it might also be a cal 352, since there is no clear understanding on the ref number.
My2Ksh
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