Seiko SQ100] inherited this piece from my granddad about a year ago. I wear it with absolute pride but I've come to realise I don't know much about it. When was it
Seiko White Men's Watch - SQ100 for sale online | eBay
Seiko SQ 100] Nothing like nos for that vintage itch : r/Watches
Vintage Seiko SQ 100 Ref 6923-5130 Quartz Watch Mens Day Date - Etsy India