The Casio F-91WM-3ADF is the classic F-91W formula in army green resin. It weighs just 21 grams, runs for about 7 years on one battery, and does exactly what a daily watch should: tell the time, every time.
Why You'll Love It
- Set it once and forget it: the CR2016 battery lasts approximately 7 years.
- Barely feel it on your wrist: 21 grams on a slim 8.5 mm resin case.
- Times your commute, cooking, or workout: 1/100-second stopwatch plus daily alarm.
- Readable on the way home: LED light for checking the time after dark.
Specifications
| Reference |
F-91WM-3ADF |
| Movement |
Digital quartz |
| Display |
Digital LCD |
| Case |
38.2 x 35.2 x 8.5 mm resin case |
| Band |
Resin |
| Weight |
Approx. 21 g |
| Water resistance |
30m (3 bar): splash and rain proof, not for swimming |
| Functions |
1/100-second stopwatch, daily alarm, hourly time signal, auto-calendar, 12/24-hour format, LED light |
| Battery |
CR2016, approx. 7 years |
| Crystal |
Resin glass |
| Gender fit |
Unisex, suits both men and women |
Frequently Asked Questions
Are Watch Portal watches original?
Yes. Watch Portal sells 100% original watches, backed by a moneyback guarantee, and has been selling online in the Philippines since 2015.
Is the Casio F-91WM-3ADF waterproof?
The F-91WM-3ADF is rated 30m (3 bar). It handles splashes, rain, and handwashing, but do not wear it for swimming or bathing.
How long does the battery of the F-91WM-3ADF last?
Approximately 7 years on a standard CR2016 cell. When it runs out, any watch shop in the Philippines can replace it in minutes.
Is the F-91W good for both men and women?
Yes. The slim 35.2 mm case wears comfortably on almost any wrist, which is why the F-91W is a favorite first watch for students and professionals alike.
COD nationwide. GCash, debit and credit cards, online banking. Delivery after dispatch: Metro Manila 3 to 7 days, rest of the Philippines 4 to 10 days.
Part of: Casio, Best Sellers, Watches Under 2,000, Your First Watch