Casio F-91W-1X vs Casio F-91W-1YER: which one suits you?
The two differ in 2 of the specs we have recorded (prices checked 3 Nov 2026).
Which one should you choose?
Choose the
Casio F-91W-1X if you care about:- Higher water resistance: 30 m vs 10 m
Choose the
Casio F-91W-1YER if you care about:- No clear lead in the recorded specs; design or brand preference may decide.
The deciding difference here: water resistance.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Case diameter
33 mm35 mmWater resistance
✓ 30 m10 m
Specifications side by side
9 of 9 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 87 | SAR 87 |
| Water resistance | ✓ 30 m | 10 m |
| Movement | Quartz | Quartz |
| Display type | Digital | Digital |
| Case diameter | 33 mm | 35 mm |
| Case shape | Rectangular | Rectangular |
| Chronograph | — | Yes |
| Date window | Yes | — |
| Made for | Men's | — |
| Colour | Black | Black |
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Similar comparisons
Direct comparison questions
What is the difference in movement between the Casio F-91W-1X and the Casio F-91W-1YER?
No difference here: movement is Quartz on both.
What is the difference in case diameter between the Casio F-91W-1X and the Casio F-91W-1YER?
Casio F-91W-1X: 33 mm; Casio F-91W-1YER: 35 mm. A higher value is not necessarily better for you.
What is the difference in water resistance between the Casio F-91W-1X and the Casio F-91W-1YER?
Water resistance is higher on the Casio F-91W-1X: 30 m vs 10 m on the Casio F-91W-1YER. If this spec is your priority, the difference favours it.
What is the difference in display type between the Casio F-91W-1X and the Casio F-91W-1YER?
No difference here: display type is Digital on both.