SDB-300W family is still the best running watch I've ever had. I still have 1.5 copies of the WS-110H around on their last legs. The key features that I've mis

SDB-300W family is still the best running watch I've ever had. I still have 1.5 copies of the WS-110H around on their last legs. The key features that I've missed from any watch since is 1. good buttons and 2. "immediate" reaction time.