Schatz400-day clock pendulum springs by Schatz Productssuspension spring namelengthDriverthicknessmanufacturetypeitem No.suspension spring120 mm11.5mm0.082mmtreasureStandard 49/54070750suspension spring namelengthDriverthicknessmanufacturetypeitem No.suspension spring92 mm5.5mm0.055mmtreasureMini 46/53070751suspension spring namelengthDriverthicknessmanufacturetypeitem No.suspension spring68.5mm7.5mm0.055mmtreasureMidget 57070752