Picture: Seiko The Seiko Prospex SPB143 is a unique alternate on the Submariner, as, though it may look like loosely modeled after the Sub, the SPB143 is, the truth is, a modernized reissue from the Japanese watch brand’s 62MAS design from 1965, which don't just marked Seiko’s to start with https://swissclone.com/wp-content/uploads/2023/03/image01030-1-595x446.jpeg