Seiko's 1969 Speedtimer SSC911

Prospex Speedtimer Solar ChronographDesign 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 functionSilver dial with sunray finish, black subdials, and red accentsDate calendar24-hour subdialLumiBrite hands and markersCurved sapphire crystal with anti-reflective coating on the inner surfaceDual-tone black and gray tachymeter bezelScrewdown casebackCase diameter: 41.4mmStainless steel case and braceletTri-fold push button release claspWater-resistant to 10 bar, 100 meters (330 feet)Caliber V192