OEM Seiko crown for mod project: where and which one?

[giorgio.a]

I’d like to buy an original Seiko crown for a mod project but I don’t know where to buy it and which one to buy.

The watch is a solar Tuna. The crown I have now is black but I’d like to have a stainless steel one

Where can I find a good selection of real original parts?

And which crown can I use? I know I can buy a stainless steel from another Tuna model BUT if I can I’d love to have a much smaller crown. Can I do that? How do I know which one would fit? Please note: the watch will be WITHOUT shroud.

Thanks in advance!


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