Casio digital watch (F-91W and derivates)
I had been looking for a simple somewhat slim watch, and thought about getting a F-91W or similar by Casio.
Models
There are a few different models, with different feature distinctions.
- Case
- plastic vs metal
- color
- Backlight
- LED
- EL
| F-91W | A-158 | A-168 | |
|---|---|---|---|
| Case | plastic | metal | metal |
| Backlight | LED | LED | EL |
| Clock Module | 593 | 593 | 3298 |
Smart Watch
There are some replacement PCBs for the F-91W series, which enable some smart capabilities
- Sensor Watch
- Ollee Watch
- K8MOD - prototype, never finalized