Vintage Seiko Sports 100 Quartz Japan A 7123-8200 FOR PARTS/REPAIR/WATCHMAKER#. | eBay
Sold at Auction: Two Seiko watches - Men's Digital alarm chronograph, gold tone, serial number H357-5109 and Lady's Vintage sports 100 Quartz 26MM Serial number 2A23-0069.
Seiko] SQ Sports 100 - Vintage Quartz : r/Watches
Seiko Vintage Sport 100 Gold-tone Analog Digital Quartz - Etsy