![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. 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.](https://image.invaluable.com/housePhotos/cadmoreclassiccars/63/742963/H22264-L321739312.jpg)
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.
![VINTAGE SPORT CLASSIC JAPAN ST.STEEL MEN'S QUARTZ WATCH "SEIKO" SQ 100/7N42-T010 | eBay VINTAGE SPORT CLASSIC JAPAN ST.STEEL MEN'S QUARTZ WATCH "SEIKO" SQ 100/7N42-T010 | eBay](https://i.ebayimg.com/images/g/NLEAAOSwyOZhYwHh/s-l1600.jpg)
VINTAGE SPORT CLASSIC JAPAN ST.STEEL MEN'S QUARTZ WATCH "SEIKO" SQ 100/7N42-T010 | eBay
![Vintage SEIKO SQ 100 Quartz Watch 8123-7059 Rare Unique Bracelet Gold Toned | WatchCharts Marketplace Vintage SEIKO SQ 100 Quartz Watch 8123-7059 Rare Unique Bracelet Gold Toned | WatchCharts Marketplace](https://cdn.watchcharts.com/listings/ae5fd9a6-be54-4a55-9587-eaf09e39e01a.jpg?d=300x300)