Grand SeikoHi Beat Ginza Purple SBGH317REF NUMBER: SBGH317Grand SeikoHi Beat Ginza Purple SBGH317REF NUMBER: SBGH317ModelHi BeatCase Diameter40.0 mmDial NumeralStickMovementMechanical AutomaticPower Reserve55 hManufacture Year-Dial MaterialPurpleDial Movement CaliberGrand Seiko 9S85Case MaterialStainless SteelWater Resistance100.0 m