# Casio F-105W

5 Hacker News commenters recommended Casio F-105W and 0 criticized it, November 2025 to November 2026. It was recommended in 3 of 13 months.

**Verdict:** A successor to the F-91W that people prefer for its better backlight over the older Illuminator model. The most common caveat is a lower-contrast display that is harder to read in daylight.

## Why people recommend it

- Better backlight than older Illuminator (2 comments): "The old Illuminator model has a much better backlight." ([source](https://news.ycombinator.com/item?id=49363597)) "I really prefer the better backlight" ([source](https://news.ycombinator.com/item?id=50115100))
- Seen as a perfected F-91W (1 comments): "The F-105W is the F-91W perfected." ([source](https://news.ycombinator.com/item?id=50318014))

## What people warn about

- Low contrast, hard in daylight (1 comments): "significantly lower contrast display (darker background) and is harder to read in daylight" ([source](https://news.ycombinator.com/item?id=50318627))

## Alternatives hackers recommend

- [Casio watch](https://hackerapproved.com/p/casio-watch.md): 49 recommend
- [Casio F-91W](https://hackerapproved.com/p/casio-f-91w.md): 47 recommend
- [Casio G-Shock](https://hackerapproved.com/p/casio-g-shock.md): 43 recommend
- [Casio F-B100W](https://hackerapproved.com/p/casio-f-b100w.md): 40 recommend
- [Casio Wave Ceptor](https://hackerapproved.com/p/casio-wave-ceptor.md): 5 recommend

## Where to get it

- [See price on Amazon](https://www.amazon.com/s?k=Casio+F-105W+Illuminator+digital+watch&tag=hackerapprove-20) (affiliate link)

## Cite as

Hacker Approved, "Casio F-105W", https://hackerapproved.com/p/casio-f-105w/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).