Casio F-91W-1X vs Casio MTP-1314SG-1AVDF (A777): which one suits you?

The two differ in 2 of the specs we have recorded, and the Casio F-91W-1X is cheaper by SAR 45 (prices checked 3 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 45
  • Higher water resistance: 50 m vs 30 m

The deciding difference here: water resistance and price.

Compares recorded specs; a missing spec does not mean the feature is absent.

Key differences

  • Case diameter

    33 mm46 mm
  • Water resistance

    30 m✓ 50 m

Specifications side by side

12 of 12 specs

Scroll the table sideways to see the rest.

Spec
CasioSAR 87
Casio F-91W-1X specs
CasioSAR 132
Casio MTP-1314SG-1AVDF (A777) specs
Reference priceSAR 87SAR 132
Display typeDigital—
Case material—Stainless steel
Water resistance30 m✓ 50 m
Glass—Metal
MovementQuartzQuartz

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Similar comparisons

Direct comparison questions

What is the difference in movement between the Casio F-91W-1X and the Casio MTP-1314SG-1AVDF (A777)?

No difference here: movement is Quartz on both.

What is the difference in case diameter between the Casio F-91W-1X and the Casio MTP-1314SG-1AVDF (A777)?

Casio F-91W-1X: 33 mm; Casio MTP-1314SG-1AVDF (A777): 46 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 MTP-1314SG-1AVDF (A777)?

Water resistance is higher on the Casio MTP-1314SG-1AVDF (A777): 50 m vs 30 m on the Casio F-91W-1X. If this spec is your priority, the difference favours it.