This is a genuine CASIO watch strap original equipment on the following models (number can be found on the back of the watch):
AQ-S810W-1A2V
AQ-S810W-1A4V
TRT-110H-1A2V
TRT-110H-1AV
TRT-110H-2AV
18mm fitting into the watch.
28mm shoulders
Black with a black buckle.
Genuine Casio so guaranteed a perfect fit.
We are authorised Casio parts stockists and this strap will be supplied in official Casio packaging.
Royal mail 'Tracked24' tracked and insured delivery is FREE in the UK and we post FAST