SEIKO CHRONOS セイコー クロノス 5H23-7D40 クォーツ 腕時計,VINTAGE SEIKO QUARTZ CHRONOS 5H23-7D40 FOR PARTS OR REPAIR WATCH STAINLESS,Seiko Chronos [Ref: 5H23-7D40] Quartz BMBY: February 1981 Serial: 123926 Case: 35mm Bracelet: fits up to 7.5 inches All original Made in Japan (JDM) Kanji / english calendar Newly serviced,Seiko Chronos Silver Men's Watch - 5H23-7D40 for sale online | eBay,Seiko Chronos [Ref: 5H23-7D40] Quartz BMBY: February 1981 Serial: 123926 Case: 35mm Bracelet: fits up to 7.5 inches All original Made in Japan (JDM) Kanji / english calendar Newly serviced