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 Choronograph sports 100 diver model with bezel vintage rare for $625 for sale from a Private Seller on Chrono24
Seiko SQ Sports 100 - how to service - Watch Repairs Help & Advice - Watch Repair Talk
Seiko Sports 100 Quartz - The Dive Source
Seiko Sports 100 Ladies Woman Quartz Watch Working Stainless 2 Tone | eBay
Seiko Sports 100 7A28 "First Analog Quartz Chronograph Movement" Vintage Watch Hands-On | Page 2 of 2 | aBlogtoWatch
SEIKO SPORTS 100 ANA-DIGI ALARM CHRONOGRAPH WIRST WATCH FOR PARTS AND REPAIRS. | eBay