
Seiko Prospex SPB383J1 Black Dial Automatic Diver 42mm NEW. Brand new, authentic Seiko Prospex SPB383J1 featuring a classic black dial and black bezel, powered by Seiko's in-house 6R35 automatic movement with an impressive 70-hour power reserve. A modern reinterpretation of Seiko's legendary 1968 diver-clean, versatile, and built for serious wear. If you want an authentic Seiko SPB383J1 for nearly half retail, you're in the right place.