Seiko Prospex Speedtimer 41mm Chronograph Watch

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

LumiBrite hands and markers

Dual-tone tachymeter bezel

Screwdown caseback

Case diameter: 41.4mm

Tri-fold push button release clasp

Water-resistant to 10 bar, 100 meters (330 feet)

Caliber V192

Style#: SSC911 (Silver Dial), SSC913 (Blue Dial), SSC915 (Black Dial)