Seiko Prospex SSC911 Speedtimer Solar Chronograph 41mm Gray Tutima Black uni-directional rotating elapsed timing

Black uni-directional rotating elapsed timing bezel

Arita porcelain

the watch is wound automatically from energy generated by the wearer

purity is the watchword: applique hour markers and hand-polished golden hands

30-minute counter (12 o'clock position)

Seiko Prospex SSC911 Speedtimer Solar Chronograph 41mm Gray Tutima Black uni-directional rotating elapsed timingProspex Speedtimer Solar Chronograph Design inspired by Seiko's 1969 Speedtimer, one of the world's first automatic chronographs Powered by light energy no battery change required 6 month power reserve once fully charged Chronograph measures up to 60 minutes of elapsed time in 1 5 second increments with split time measurement function Caliber: V192 Dial: Silver dial with sunray finish, black subdials, and red accents Hands and Markers: LumiBrite