SeikoProspex SPB507J1 Alpinist Automatic Summit Green Dial / Leather StrapREF NUMBER: SPB507J1SeikoProspex SPB507J1 Alpinist Automatic Summit Green Dial / Leather StrapREF NUMBER: SPB507J1ModelProspexCase Diameter39.5 mmDial Numeral-MovementMechanical AutomaticPower Reserve72 hManufacture Year-Dial MaterialGreenDial Movement CaliberSeiko 6R55Case MaterialStainless SteelWater Resistance200.0 m