Casio 10357533 Genuine Factory Replacement Resin Watch Band fits EF-552-1AV EF-552PB-1A2V EF-552PB-1A4V Casio Part Number: 10357533 Fits Model Number: EF-552-1AV, EF-552PB-1A2V, EF-552PB-1A4V Band Color: Black Loop: Black Rubber Loop / Buckle: Stainless Steel Metal Buckle Band Width: 31.5mm (Outside Lug), 20mm (Inside Lug)