Vintage Seiko Sports 100 Alarm Chronograph (H557-5179) -- Inactive Hands Issue | WatchUSeek Watch Forums
![Seiko Vintage Seiko sports 100, Circa 1980's - Steel - Ref... for AU$847 for sale from a Seller on Chrono24 Seiko Vintage Seiko sports 100, Circa 1980's - Steel - Ref... for AU$847 for sale from a Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/20951376-twkwec4405hw4neipm1bkmpg-ExtraLarge.jpg)
Seiko Vintage Seiko sports 100, Circa 1980's - Steel - Ref... for AU$847 for sale from a Seller on Chrono24
![Seiko Sports 100 7A28 "First Analog Quartz Chronograph Movement" Vintage Watch Hands-On | aBlogtoWatch Seiko Sports 100 7A28 "First Analog Quartz Chronograph Movement" Vintage Watch Hands-On | aBlogtoWatch](https://www.ablogtowatch.com/wp-content/uploads/2017/06/Seiko-Sports-100-Titanium-7A28-7060-watch-29.jpg)
Seiko Sports 100 7A28 "First Analog Quartz Chronograph Movement" Vintage Watch Hands-On | aBlogtoWatch
![Vintage Seiko] Ultra-thin steel Seiko Sports 100 "AP Royal Oak" look-alike...but who came first? : r/Watches Vintage Seiko] Ultra-thin steel Seiko Sports 100 "AP Royal Oak" look-alike...but who came first? : r/Watches](https://preview.redd.it/urw0rfqnxm941.jpg?width=640&crop=smart&auto=webp&s=6ea245f2770208ddfb3df038123d7f19ebff4139)