Men's wrist watch brand Seiko SQ 100,with traces of use | Drouot.com
Vintage Seiko SQ 100 Black 80s Special - Etsy Israel
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.