With this particular watch, I have a good friend who is a big Seiko fan, and if this were in my possession and I could afford to gift it to him, I would go that route with the clear stipulation that he must wear it and wear it well 👍
I agree this is something a Seiko aficionado would enjoy and that's a good reason to keep it as is. Could make a fun piece to trade at some point. It's not likely to be a big dollar item, but no amount of money can buy a time machine. 😉
If ¥4,700 means the amount in Japanese YEN, that translates to less than $40.00 US at current exchange rates, by my calculations. Leave it as pristine and maybe double ($80), triple ($120) or quadruple the money ($160)? So what’s the dilemma? Wear it!
Keep it as is, and take it out and fondle it occasionally.
I’m usually a big proponent of not making things into museum pieces, but the frozen-in-amber quality of this watch is what you purchased, I imagine. You have a million watches; keeping this one in its remarkably pristine condition will probably bring you more pleasure than wearing it with any regularity. July 18 is Ocean Day in Japan—how about you tempt fate by wearing it once a year? Get a bottle of Hibiki whiskey, screen a Japanese movie and make an annual event out of it.