Casio F-91W vs Citizen Tsuyosa Automatic (Green Dial)
Two timepieces compared — ~$20 vs ~$332
Quick Verdict
The Casio F-91W (~$20) offers Casio Digital Quartz (Battery) precision at $312 less than the Citizen Tsuyosa Automatic (Green Dial) (~$332). The Tsuyosa Automatic (Green Dial) counters with Made in Japan craftsmanship and 50m (5 ATM) water resistance. Both are exceptional timepieces for their respective price points.
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Specifications Compared
| Feature | Casio F-91W | Citizen Tsuyosa Automatic (Green Dial) |
|---|---|---|
| Price | ~$20 | ~$332 |
| Case Size | 35mm | 40mm |
| Movement | Quartz Module 593 | Automatic Caliber 8210 |
| Caliber Type | Casio Digital Quartz (Battery) | Citizen/Miyota In-House Automatic |
| Power Reserve | 7-Year Battery | 40 Hours |
| Water Resistance | 30m (Splash Resistant) | 50m (5 ATM) |
| Crystal | Acrylic | Sapphire Crystal with Cyclops |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Citizen's approach
Movement & Performance
Quartz Module 593 vs Automatic Caliber 8210
Wearability & Fit
35mm vs 40mm — different wrist presence
Value & Cost of Ownership
Casio is $312 more affordable
Water Resistance
30m (Splash Resistant) vs 50m (5 ATM)
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 ~$20, it delivers Quartz Module 593 with 7-Year Battery power reserve.
Check Price on AmazonCitizen
Tsuyosa Automatic (Green Dial)
Choose the Citizen Tsuyosa Automatic (Green Dial) if you value Citizen/Miyota In-House Automatic technology, Made in Japan heritage, and 40mm proportions. At ~$332, the Automatic Caliber 8210 with 40 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio F-91W and Citizen Tsuyosa Automatic (Green Dial) represent two distinct approaches to the timepiece category — the Casio bringing Casio (Japan) tradition while Citizen delivers Made in Japan engineering.