Grandfather's watch and eyeglasses shop closing, so I am selling this item. Displayed in the used goods corner. SEIKO sportsman WATER30proof DIASHOCK17JEWELS Case size: Approximately 39mm, including the crown Total length: Approximately 24cm Product Condition: Used The dial is clean. The crystal has no deep scratches, but there are some scuffs. Overall, there are scratches commensurate with age. Crown: No markings Buckle: Aftermarket Back cover: 7100575, with a seahorse engraving Engraving: "Twenty Years of Service, Toyo Koatsu" Operational Check: Crown: Operation confirmed Date setting does not work. The date changes when the 24-hour hand is rotated. Manual winding, automatic winding This is an old watch that has been stored for a long time. The operational check is only a simple functionality check. I have not checked for fine daily variations. It doesn't seem to be off by much. Currently running, but please assume it needs an overhaul. Additional Information: I have added images measured by an acquaintance. The measurement shows a difference of about 18 seconds/day. For those who understand old items, Those who can repair them, or for collectors and display purposes, please consider. For those who like the designs of the 1960s-80s, or those interested in vintage and antique items, how about it? No returns or exchanges. Please understand, no claims and no returns. #1960s #1970s #1980s #Vintage #Antique #ShowaRetro #WatchCollector #Rare #ForDisplay #VintageWatches #AntiqueWatches #Watches