Watch strap material: stainless steel. Material of buckle: stainless steel. Otherwise, it may cause improper installation. Watch strap width: Total width 24mm， convex 18mm.
For Casio AE-1200 AE-1300 Genuine Leather Watchband Retro Burst Pattern Strap 18
Watch strap material: cowhide. Otherwise, it may cause improper installation. Material of buckle: stainless steel. Watch strap width: 21-18mm.