Casio F-91W vs Tissot Le Locle Powermatic 80
Casio's timepiece meets Tissot's dress watch
Quick Verdict
The Casio F-91W (Under $50) offers Casio Digital Quartz (Battery) precision in the tier below the Tissot Le Locle Powermatic 80 ($500–$1,000). The F-91W measures 35mm and is rated 30m (Splash Resistant). The Le Locle Powermatic 80 counters with Swiss Made (Swatch Group) craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Casio F-91W | Tissot Le Locle Powermatic 80 |
|---|---|---|
| Price | Under $50 | $500–$1,000 |
| Case Size | 35mm | 39.3mm |
| Movement | Quartz Module 593 | Powermatic 80.111 |
| Caliber Type | Casio Digital Quartz (Battery) | ETA-Based Automatic |
| Power Reserve | 7-Year Battery | 80 Hours |
| Water Resistance | 30m (Splash Resistant) | 30m (3 ATM) |
| Crystal | Acrylic | Sapphire Crystal |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made (Swatch Group) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Tissot's approach
The Casio F-91W features a Resin case at 35mm with Acrylic protection. The Tissot Le Locle Powermatic 80 offers Stainless Steel construction at 39.3mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 593 vs Powermatic 80.111
The F-91W runs the Quartz Module 593 (Casio Digital Quartz (Battery), 7-Year Battery power reserve) at standard frequency. The Le Locle Powermatic 80 uses the Powermatic 80.111 (ETA-Based Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The Le Locle Powermatic 80 offers a longer power reserve.
Wearability & Fit
35mm vs 39.3mm — different wrist presence
At 35mm, the F-91W wears more compactly on smaller wrists compared to the Le Locle Powermatic 80 at 39.3mm. Water resistance differs: 30m (Splash Resistant) vs 30m (3 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio F-91W sits at Under $50 and the Tissot Le Locle Powermatic 80 at $500–$1,000. On the specs that outlast any price: the F-91W uses Acrylic with 7-Year Battery, against Sapphire Crystal and 80 Hours on the Le Locle Powermatic 80. Service intervals are typically 5-7 years for both.
Water Resistance
30m (Splash Resistant) vs 30m (3 ATM)
The F-91W is rated to 30m (Splash Resistant) while the Le Locle Powermatic 80 handles 30m (3 ATM). Both offer identical water resistance ratings.
Our Verdict
Casio
F-91W
Choose the Casio F-91W if you prioritize Casio Digital Quartz (Battery) engineering, Casio (Japan) craftsmanship, and 30m (Splash Resistant) water resistance. At Under $50, it delivers Quartz Module 593 with 7-Year Battery power reserve.
Check Price on AmazonTissot
Le Locle Powermatic 80
Choose the Tissot Le Locle Powermatic 80 if you value ETA-Based Automatic technology, Swiss Made (Swatch Group) heritage, and 39.3mm proportions. At $500–$1,000, the Powermatic 80.111 with 80 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio F-91W and Tissot Le Locle Powermatic 80 represent two distinct approaches to fine watchmaking — the Casio bringing Casio (Japan) tradition while Tissot delivers Swiss Made (Swatch Group) engineering.
Frequently Asked Questions
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How This Page Was Made
Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.