Vintage Seiko SQ 100 Quartz Analog Watch 8123-6009 Gold Tone Made in Japan | WatchCharts
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Sold at Auction: Gentlemans vintage SEIKO SQ 100 Quartz wristwatch finished in silver tone with stainless steel bracelet. Day/Date model with sweeping second hand. Working when tested. Excellent condition for age.
Inherited Seiko SQ100 - How Old Is It? | WatchUSeek Watch Forums
SOLD 1998 Seiko SQ100 watch 7N43-8001 - Birth Year Watches
Vintage Seiko Quartz Sq 100 With Day And Date Wristwatch