Photograph: Seiko The Seiko Prospex SPB143 is a novel substitute to the Submariner, as, although it might seem like loosely modeled following the Sub, the SPB143 is, actually, a modernized reissue of your Japanese watch manufacturer’s 62MAS model from 1965, which don't just marked Seiko’s to start with dive watch, https://swissclone.com/wp-content/uploads/2023/03/image01267.jpeg