Seiko Prospex SPB187 Marine Master 200 Blue Dial Stainless KHAKI NAVY and is framed by a

and is framed by a black uni-directional rotating elapsed timing bezel

All Field straps can be changed by hand without the use of tools

Day and date black/white

The self-winding movement with a 48-hour power reserve is also equipped with a very practical dual-time function and a 24-hour indicator

Seiko Prospex SPB187 Marine Master 200 Blue Dial Stainless KHAKI NAVY and is framed by a1968 Diver's Watch Reinterpretation. 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 recreations and reinterpretations of landmark achievements. Updating Seiko's revolutionary 1968 diver's watch with more