The Casio F91W-1 is a slim, lightweight digital watch with a 35 mm resin case, resin band and scratch-resistant resin glass. It runs on quartz and covers the basics well: time, date, a daily alarm, an hourly signal, an auto-calendar and a 1/100-second stopwatch with net and split time up to 59'59.99". A small LED backlight lights the display in the dark. It is water resistant for splashes only, not swimming. Against rivals it wins on weight and simplicity rather than features; owners treat it as a cheap, tough everyday beater, and reviewers note the loud alarm beep and the basic resin strap.
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Owners rate it highly as a simple, reliable watch that does the basics and survives daily wear. Most praise its light feel and long service; complaints center on the loud alarm and the limited water resistance.
The Casio F91W-1 is a classic digital watch with a retro look. It has a slim 35 mm resin case and a resin band, which keep it lightweight for daily wear. The resin glass is scratch-resistant.
A digital quartz movement shows the time, date and alarms. An LED backlight makes the display readable at night.
The watch has a 1/100-second stopwatch that measures up to 59'59.99", with net time and split time modes. It also has a daily alarm, an hourly time signal and an auto-calendar that adjusts for February. It is water resistant enough for everyday splashes such as hand-washing and rain.
