I find the illumination of this watch completely useless. The light isn't bright enough to help much even in total darkness, and my guess is that the dumb idea is to maximise battery life?
Casio's F-91W, one of the best-selling digital watches ever made, appears to be getting a new F-91WF variant with a recycled fabric strap. The variant has now leaked with three colorways in tow, ahead of an expected August release.