Driving system Automatic Caliber Number 7S26 Case material Stainless steel Case back Skeleton Band type Bracelet Band material Stainless steel Band color Silver tone Band width 20mm Clasp Fold over with double push button Dial color Black Glass material Scratch resistant hardlex mineral Hands Luminous grey and gold tone (hour, minute) with gold tone second hand Dial markers Grey and gold tone index Second markers Minutes markers around the inner rim Lumi Brite Hands and markers Bezel Fixed silver tone Crown Pull / push Calendar Day of the week and date display at the 3 oclock position Function Date, day, hour, minute, second Drive duration Power reserve 40 hours Water resistance 3 bar water resistance (30 meters / 100 feet) Size D38mm x H12mm