Seiko] SSA231-K1, a great Amazon find. : r/Watches
Seiko Automatic Open Heart Men's Watch (SSA231) Review - YouTube
SSA231] Not a bad pickup for 200 bucks :D : r/Seiko
SSA231] my first dress watch and it's mesmerizing looking at the open heart and hands that changes colors depending on the light sometimes black/green/blue and the 24 hour dial has a oyster
Seiko Automatic White Dial Brown Leather Men's Watch SSA231 | WatchCharts