Photo: Seiko The Seiko Prospex SPB143 is a singular alternative to your Submariner, as, even though it may look like loosely modeled after the Sub, the SPB143 is, in truth, a modernized reissue of the Japanese watch manufacturer’s 62MAS model from 1965, which not simply marked Seiko’s initial dive watch, https://swissclone.com/wp-content/uploads/2023/03/image00045-595x446.jpeg