SR920SW (371) Seiko Battery, Brand New, MADE IN JAPAN | eBay
特価 新品未開封 SEIKO 酸化銀電池 SR920SW×1個 kids-nurie.com
[Seiko] Looking to put a new battery in my Grandpa's watch. Does anyone know what kind of battery this watch takes? I don't have a watch back remover and would like to place an order for the tool and the battery at the same time. : r/Watches