Vintage SEIKO Quartz Sports 100 Day Date 6923-7100 Stainless Steel Utility Watch | eBay
Seiko | Accessories | Seiko Vintage 983 Sq Sports 10 Pvd Daydate Mens Watch All Black | Poshmark
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.
Vintage Seiko Sport 100 Ref 5933-6010 SQ Quartz Watch Mens Day - Etsy