Unknown crest on a Seiko Quartz 7N43-8A39 A1 I picked up second hand. Google searches don't help. Unsure if the crest is attached to the watch when it is bought. Is the
Vintage Rare Seiko Quartz Mens Gold Watch 7N43-8GI8 English And French Day T 2 | eBay
Vintage Seiko SQ 7N43-8A10 Gold Tone Quartz Analog Men's Watch | eBay