Seiko Prospex Aviation Solar Chronograph SSC275

Solar

Powered by light energy
Hour, minute, and small second hands
Chronograph measures up to 60 minutes in 1/5 second increments with split time measurement function
When the measurement reaches 60 minutes, the stopwatch automatically stops counting
24-hour indicator
Date calendar
6-month power reserve once fully charged
LumiBrite hands and markers
Screwdown caseback
Caliber V175