Casio

Casio F91W-1 review

The Casio F91W-1 is an ultra-light digital watch weighing just 35g with a compact 38mm resin case and 7-year battery life. It includes alarm, stopwatch, and 30m splashproof rating for everyday use. A cult classic for UK minimalists or students seeking unbeatable value at under £20.

Key features

  • Ultra-light 35g weight
  • 38mm resin case
  • 7-year battery
  • Alarm
  • Stopwatch
  • 30m splashproof

Pros

  • Incredibly cheap at £19.99
  • 4.8 stars from over 20,000 UK reviews
  • Featherlight for forget-you're-wearing comfort
  • Long 7-year battery life
  • Cult status for reliability

Cons

  • Minimal features beyond basics
  • Splashproof only, not for submersion
  • Plain resin build lacks style
  • Small display hard for ageing eyes

Who is it for

Great for minimalists, students, or EDC fans on the tiniest budget. Ideal for everyday carry where bulk is a nuisance. It eliminates worries about cost or weight for basic timekeeping needs.

Check the latest UK price