Head-to-Head Comparison

Tissot PRX Powermatic 80 vs Casio F-91W

Two timepieces compared — ~$850 vs ~$20

Quick Verdict

The Casio F-91W (~$20) delivers Casio Digital Quartz (Battery) technology at $830 less than the Tissot PRX Powermatic 80 (~$850). The PRX Powermatic 80 justifies its premium with Swiss Made heritage and Automatic Powermatic 80.111. Both represent excellent choices in the timepiece category.

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Tissot PRX Powermatic 80

Tissot

PRX Powermatic 80

~$850

Specifications Compared

FeatureTissot PRX Powermatic 80Casio F-91W
Price~$850~$20
Case Size40mm35mm
MovementAutomatic Powermatic 80.111Quartz Module 593
Caliber TypeIn-House Automatic (ETA C07.111 base)Casio Digital Quartz (Battery)
Power Reserve80 Hours7-Year Battery
Water Resistance100m (10 ATM)30m (Splash Resistant)
CrystalScratch-resistant SapphireAcrylic
Case Material316L Stainless SteelResin
OriginSwiss MadeCasio (Japan)

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Tissot's design language vs Casio's approach

⚙️

Movement & Performance

Edge: Tissot

Automatic Powermatic 80.111 vs Quartz Module 593

📏

Wearability & Fit

Edge: Casio

40mm vs 35mm — different wrist presence

💰

Value & Cost of Ownership

Edge: Casio

Casio is $830 more affordable

💧

Water Resistance

Edge: Tissot

100m (10 ATM) vs 30m (Splash Resistant)

Our Verdict

Tissot

PRX Powermatic 80

Choose the Tissot PRX Powermatic 80 if you prioritize In-House Automatic (ETA C07.111 base) engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At ~$850, it delivers Automatic Powermatic 80.111 with 80 Hours power reserve.

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Casio

F-91W

Choose the Casio F-91W if you value Casio Digital Quartz (Battery) technology, Casio (Japan) heritage, and 35mm proportions. At ~$20, the Quartz Module 593 with 7-Year Battery power reserve makes it a compelling choice.

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The Bottom Line

The Tissot PRX Powermatic 80 and Casio F-91W represent two distinct approaches to the timepiece category — the Tissot bringing Swiss Made tradition while Casio delivers Casio (Japan) engineering.

Frequently Asked Questions