Movement 8R48, 34 jewels, automatic chronograph with stop-second function and manual winding
Power reserve 45 hours
Stainless steel case and bracelet
Domed sapphire, caseback transparent Hardlex
Dimensions: Height 49.5mm, Diameter 42mm, Thickness 15.2mm

Weight about 175 gr
Water protection 10 ATM
Date display

Stopwatch function (30 minutes, 12 hours)
Model for the Japanese domestic market, made in Japan