Practical Digital Functions
Includes a stopwatch, daily alarm, hourly time signal, auto-calendar, LED light, and 12/24-hour format for everyday timekeeping needs.
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Updated 4 months ago
Ultra-affordable digital watch with alarm, stopwatch, calendar, and resin case.

Includes a stopwatch, daily alarm, hourly time signal, auto-calendar, LED light, and 12/24-hour format for everyday timekeeping needs.
The watch uses a resin case and resin band with resin glass, plus a slim 8.5 mm case thickness.
Runs on a CR2016 battery with quartz movement and a specified battery life of 7 years.
The Casio F91W-1 is an ultra-affordable digital quartz watch with a resin case and band, resin glass, buckle clasp, CR2016 battery power, and everyday functions including alarm, stopwatch, calendar, LED light, and 12/24-hour time format.
The reviewer considers the watch a classic, durable, and functional workhorse that represents excellent value for money as a daily beater.
The review highlights the watch's legendary, iconic status and immense utility for its low price, while noting that its performance is basic and its backlight is very weak.
The author characterizes the watch as a rugged, zen-like tool that outperforms its official specifications, despite noting that the backlight is nearly useless and the strap can be uncomfortable.
The review emphasizes the watch as an unparalleled value proposition with a massive cultural impact, noting its surprising durability under extreme conditions.
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| Attribute | Specification | Notes |
|---|---|---|
| Band Material | resin | |
| Band Width | 18 mm | mm |
| Battery Life | 7 days | days |
| Case Diameter | 38.2 mm | mm |
| Case Material | resin | |
| Case Thickness | 8.5 mm | mm |
| Clasp Type | Buckle | |
| Crystal Material | Resin Glass | |
| Display Type | digital | |
| Features | stopwatch, daily alarm, hourly time signal, LED light, auto-calendar, 12/24-hour format, chronograph, day, date | |
| Movement Type | quartz | |
| Power Source | Battery (CR2016) | |
| Water Resistance | 30 m | m |

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