Prospex Speedtimer Solar Chronograph
Design inspired by Seiko's 1969 Speedtimer, one of the world's first automatic chronographs
Chronograph measures up to 60 minutes of elapsed time in 1/5-second increments with split time measurement function
Silver dial with sunray finish, black subdials, and red accents
Date Calendar
24-hour subdial
LumiBrite hands and markers
Dual-tone black and gray tachymeter bezel
Screwdown caseback
Tri-fold push button release clasp