Regarding the bracelet, you or may not find an optimal fit because it only has two micro-adjustment holes, and maybe what appears to be somewhat of a half-link (not sure, I've attached a picture below).
Luckily, I managed to find a great fit on my 7-inch wrist using the micro-adjustment holes. There are people who have opted for a strapcode bracelet over the Seiko one, which has a noticeably bigger clasp with 6 or 7 micro-adjustment positions IIRC.
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