VINTAGE SEIKO QUARTZ WATCH - BASE METAL TOP - STAINLESS STEEL BACK 842362 16-54 | eBay
Identify] Why does this Seiko have a Credor logo as 12 numeral? You can faintly make out “Seiko Quartz” below it. Case back text: SEIKO, Base Metal, St. Steel Back, 5Y31-5A30 R0,