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 - YouTube
Vintage Seiko] Ultra-thin steel Seiko Sports 100 "AP Royal Oak" look-alike...but who came first? : r/Watches
Seiko Vintage Sport 100 Gold-tone Analog Digital Quartz - Etsy