- 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
- White 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
- 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