SPB147 core_active the black dial features a

the black dial features a date calendar

along with a uni-directional rotating elapsed timing bezel

Each comes housed in a special collectors' box

combines a 30-jewel automatic movement with the quartz regulator for accuracy to +/- 1 second per day

" one of the most popular designs of the era

SPB147 core_active the black dial features a1965 Heritage Diver's Watch. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Part of a rich legacy of innovation in high intensity timekeeping, Prospex continues to celebrate a long history of sports watch excellence with re creations and re interpretations of landmark achievements. This versatile timepiece reimagines Seiko's 1965 first diver's watch, an