Powered by light energy- no battery change required
6-month power reserve once fully charged
Hour, minute, and small second hands
Chronograph measures up to 60 minutes of elapsed time in 1/5-second increments with split time measurement function
LumiBrite hands and markers
Case diameter: 43.5mm"
Stainless steel case
Water-resistant to 10 bar, 100 meters (330 feet)