Jam tangan Casio couple MRW-220HCM-1BVDF & LRW-250H-1A3VDF Case / bezel material: ResinResin BandResin GlassDate, day displayDiameter male: 45.5mmDiameter female: 39.4mmFull specification on MRW-220HCM-1BVDF & LRW-250H-1A3VDF page.