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.
Seiko SQ Royal Oak Two Tone Tank Ref. 8223-5249 1982 | Vintage & Pre-Owned Luxury Watches – Wynn & Thayne
SEIKO QUARTZ SQ 8C23-6050 A4 Day Date Octagon Gold-Plated | eBay
Seiko White Men's Watch - SQ100 for sale online | eBay