The watch is equipped with the caliber 8L35, a mechanical movement made exclusively for diver's watches by Shizukuishi High-end Watch Studio, and its basic performance has been improved.
Limited to 2,000 units

This model is a reproduction of the design of the domestically produced First Divers watch, which is the origin of Seiko's special timepiece development, using modern technology.

The case back is decorated with an original dolphin mark.