Picture: Seiko The Seiko Prospex SPB143 is a singular option to your Submariner, as, although it may appear to be loosely modeled after the Sub, the SPB143 is, in fact, a modernized reissue in the Japanese watch model’s 62MAS product from 1965, which not only marked Seiko’s 1st dive watch, https://swissclone.com/wp-content/uploads/2023/03/image00526.jpeg