Image: Seiko The Seiko Prospex SPB143 is a novel alternative for the Submariner, as, however it may well look like loosely modeled once the Sub, the SPB143 is, actually, a modernized reissue from the Japanese watch brand’s 62MAS model from 1965, which not just marked Seiko’s very first dive watch, https://swissclone.com/wp-content/uploads/2023/03/image01293.jpeg