Seiko Credor Silver Dial 18K Gold Bezel Quartz,Seiko Credor 7771-6051 18KT Bezel Watch from JAPAN Used Vintage,Seiko Credor Watch 18kt Gold Stainless Steel Date and name engraved on the back,Seiko Credor 7771-6051 18KT Bezel Watch from JAPAN Used Vintage,Credor Seiko GCBB998 Automatic 18K Bezel. — Cal. 4S71 was a high-end time-only automatic produced by Seiko for the Credor watch line. It was part of the Seiko 4S family, which