SeikoSeiko Chronograph AutomaticREF NUMBER: 6138-8020SeikoSeiko Chronograph AutomaticREF NUMBER: 6138-8020ModelSeiko PandaCase Diameter40.0 mmDial NumeralBaton indexMovementMechanical AutomaticPower Reserve40 hManufacture Year-Dial MaterialWhite MatteDial Movement CaliberSeiko 6138BCase MaterialStainless steelWater Resistance100.0 m