Seiko Prospex Speedtimer Mechanical Chronograph Srq039 Ruthenium plated The GM700-1A is one of

The GM700-1A is one of the biggest G-SHOCK steel watches in the G-STEEL family

or exploring the outdoors

the screw-back case is stamped with Latin GRAMMY® logo

Water resistant to 50 meters

This model is based on the GX-56

Seiko Prospex Speedtimer Mechanical Chronograph Srq039 Ruthenium plated The GM700-1A is one ofProspex Speedtimer Mechanical Chronograph. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Celebrating Seiko's first precision chronographs, developed for international sporting competitions in 1964, as well as its 1969 introduction of the world's first automatic chronograph, this exceptional watch provides chronograph measurement of up to 30 minutes of