Seiko SQ 100] Nothing like nos for that vintage itch : r/Watches
EXTREMELY RARE SEIKO OLYMPIC CHRONOGRAPH 7T59-7A20 Gold Steel 1991 QUARTZ - The Sutor House
Sold at Auction: 2 Seiko quartz horloges: Seiko quartz SQ 100, diameter: 35 mm. en Seiko Spo
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 100 5P32-6010 Gold Tone Quartz Analog Men's Watch Sz. 6 1/2" | eBay