Prospex 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

Silver dial with sunray finish, black subdials, and red accents

Date calendar

24-hour subdial

LumiBrite hands and markers

Curved sapphire crystal with anti-reflective coating on the inner surface

Dual-tone black and gray tachymeter bezel

Screwdown caseback

Case diameter: 41.4mm

Stainless steel case and bracelet

Tri-fold push button release clasp

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

Caliber V192