Vintage Seiko SQ 100 Quartz Analog Watch 8123-6009 Gold Tone Made in Japan | WatchCharts
SOLD 1998 Seiko SQ100 watch 7N43-8001 - Birth Year Watches
Nice Vintage Seiko SQ100 Mens Day/Date Casual/Dress Watch with New Battery | eBay
Seiko Chronograph SQ 100 Quartz Panda Dial 7A38-6090 Two Tones - Etsy Finland
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.