Heart-shaped cam mechanism delivers exceptional timing precision for sports events
Fixed green polished tachymeter bezel enables accurate speed measurement over fixed distances
Solar-powered quartz chronograph movement ensures reliable, long-lasting performance
Classic tri-compax dial layout with retro indices and lumibrite paint for easy readability
100 meters water resistance protects against light splashes for everyday use
Summarized by Shop
Inheriting a design inspired from some of Seiko's most historical chronograps including the 1964 Crown Chronograph, Seiko's and Japan's first chronograph wristwatch, and the 1969 Seiko Speedtimer chronograph which was powered by the innovative in-house Cal. 6139 automatic chronograph movement, these new releases alluringly revisits Seiko'
Case Material
316L stainless steel
Case Dimensions
Diameter 41.4 mm, Lug to lug 45.9 mm, Thickness 13 mm