Dr No[Moderator Omega - Wristscan]
37682
My sphere of experience is limited to Omega . . .
. . . so I'll ask Bill Sohne, who's knowledgeable about Seiko, for his thoughts.
For what it's worth, my sense is that it's an original, untouched example. But I would be more confident with Bill's expert opinion.
Cordially,
Art