SEIKO-PROSPEX SPEEDTIMER MECHANICAL SPB513 green stone it is equipped with a

it is equipped with a H-10 movement and an 80-hour power reserve

The watch is presented on a green rubber strap and is driven by the OMEGA Master Chronometer Calibre 8801

even in dark places

Clasp with Smart Adjuster function

SEIKO-PROSPEX SPEEDTIMER MECHANICAL SPB513 green stone it is equipped with aProspex Speedtimer Mechanical. Seiko Prospex challenges every limit with timepieces created to exceed expectations, engineered with superior style and innovative technology for the sea, sky or land. Driven by a heritage of iconic design, Prospex continues to keep going forward with excellence in precision timekeeping, crafted for the modern world. Based on Seikos Speedtimer models of the past, this powerful creation offers superior timekeeping