![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.
FS) Vintage Seiko quartz watches: turquoise type II, black sq sports 100, blue emblem | WatchUSeek Watch Forums
Vintage Seiko Quartz SQ 4803-8000, Cushion Case, Original Condition, Just Serviced, Circa 1976 | WatchUSeek Watch Forums
![Seiko SQ Royal Oak Two Tone Tank Ref. 8223-5249 1982 | Vintage & Pre-Owned Luxury Watches – Wynn & Thayne Seiko SQ Royal Oak Two Tone Tank Ref. 8223-5249 1982 | Vintage & Pre-Owned Luxury Watches – Wynn & Thayne](https://wynnandthayne.com/cdn/shop/products/SeikoSQRoyalOakTwoToneRef.8223-5249_1982__03_3648x.jpg?v=1659571704)