Genuine Casio replacement strap (18mm) for the following watch models:

F-91W (all types and colours)
F91W-1
F91W-3
F91WG-9
F91WM-1B
F91WM-2A
F91WM-3A
F91WM-7A
F91WM-9A
F93W-1
FLB91W-1
F105W-1A
F105W-1B
F106W-1A
F106W-1B
F106W-1C
F106W-1D
F106W-1E
F106W-1F
F106W-1G
F28W-1