Prospex Speedtimer Solar Chronograph

Design inspired by Seiko's first precision chronographs, developed for international sporting competitions in 1964

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

Yellow dial with sand-blasted texture and black subdials

Date calendar

24-hour subdial

Beige LumiBrite hands and markers

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

Black tachymeter bezel with yellow accents

Screwdown caseback

Case diameter: 39.0mm

Stainless steel case and bracelet

Tri-fold push button release clasp

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

Caliber V192