Seiko Men’s Prospex Speedtimer Solar Chronograph

Design inspired by Seiko’s 1969 Speedtimer, one of the world’s first automatic chronographsPowered 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 functionBlack dial with sunray finish and red accentsDate calendar24-hour subdialLumiBrite hands and markersCurved sapphire crystal with anti-reflective coating on the inner surfaceDual-tone red and black tachymeter bezelScrewdown casebackCase diameter: 41.4mm