Digital · Reference notes
Casio
F-105W
F-105W-1A
A compact digital watch with a resin case and strap, combining everyday timekeeping with an electroluminescent backlight.
Photo: Harry O’Connor · CC BY-SA 3.0
The essential details.
- Reference
- F-105W-1A
- Display
- Digital
- Thickness
- 9.6 mm
- Weight
- 21 g
- Crystal
- Resin
- Water resistance
- Water resistant; no numerical depth rating stated on the source page
- Bracelet / strap
- Resin
- Functions
- Stopwatch, daily alarm, hourly signal and electroluminescent backlight
Casio lists case dimensions of 39 × 35.4 × 9.6 mm and an approximate battery life of seven years on a CR2016. Actual battery life depends on use.
Source & scope
Manufacturer specifications checked on 2026-09-17. This is a desk-researched profile, not a hands-on review or authentication of an individual watch.
Read the official Casio specification ↗Brand names identify the products discussed. No brand endorsement or authorised-dealer relationship is implied.
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