Seiko Prospex Speedtimer Solar Chronograph SSC817.
Power reserve: 6-months once fully charged
Stainless steel case and bracelet
Case D39 mm x L45.5mm x T13.3mm
Curved sapphire crystal with inner anti-reflective coating
Yellow dial with sand-blasted texture and black subdials
LumiBrite on hands and indices
Water Resistance: 100 m
Three-fold clasp with push button release
Tachymeter function
24-hour hand, small seconds hand
Chronograph up to 60 minutes in 1/5 second increments
Date display
Display function of resuming electric power generation.
Overcharge prevention function