SEIKO SSC817
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