Seiko Prospex Speedtimer Solar Chronograph SSC813 Mens available only in a controlled-production

available only in a controlled-production run of 5

The entire watch is chronometer-certified by the COSC

Framed by a tachymeter scale

Stainless Steel

as well as a screwdown crown and caseback

Seiko Prospex Speedtimer Solar Chronograph SSC813 Mens available only in a controlled-productionDesign inspired by Seiko's first precision chronographs, developed for international sporting competitions in 1964Powered by light energy no battery change required6 month power reserve once fully chargedChronograph measures up to 60 minutes of elapsed time in 1 5 second increments with split time measurement functionWhite dial with sand blasted texture and black subdialsDate calendar24 hour subdialBeige LumiBrite hands and markersCurved sapphire