Photo: Seiko The Seiko Prospex SPB143 is a singular alternative on the Submariner, as, although it may seem like loosely modeled once the Sub, the SPB143 is, in reality, a modernized reissue from the Japanese watch brand name’s 62MAS design from 1965, which don't just marked Seiko’s initial dive watch, https://swissclone.com/wp-content/uploads/2023/03/image00373-2.jpeg