Mod 38mmx30.6mm Curved Ceramics Bezel Insert Fit SKX007 SKX009 GMT SUB Watch Case NH35 NH36 Movement Bezel Ring Watch Refit Part Item Type: Watch Case Bezel Insert Ring Bezel material : Ceramics Bezel Outside diameter: 38 mm ± 0.1 mm Inside diameter: 30.6 mm ± 0.1 mm