Gendermens tipsthe small sub dials on the watch face are functional movement typejapanese quartz mechanical manual winding quartz typesport watch displayanalog digital featurecasual watch water resistant water proof led case materialstainless steel dial colorsilver black water resistance depth30m band materialstainless steel band colorsilver black brandskmei case diameter approx5cm 2 inches case thickness approx16cm 063 inches band length approx23cm 9 inch