Stainless steel back case.
please make note,the small dials (with the correspond buttons) cant do work,only for decoration.
Japan movement:accuracy within seconds per month.Japan battery which can provide the watch stronger power.
IP electric plated case,never fade
the diamater of case 5.2cm
the width of strap 2.4cm
the length of strap 24.5cm
the case thickness about 1.4cm
about the watch only for life waterproof,cant put it into water,thanks