Casio F-91W vs Hamilton Ventura Quartz
Two timepieces compared — Under $50 vs $500–$1,000
Quick Verdict
The Casio F-91W (Under $50) offers Casio Digital Quartz (Battery) precision in the tier below the Hamilton Ventura Quartz ($500–$1,000). The F-91W measures 35mm and is rated 30m (Splash Resistant). The Ventura Quartz counters with Swiss Made (Swatch Group) craftsmanship and 50m (5 ATM) water resistance. Both are exceptional timepieces for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Casio F-91W | Hamilton Ventura Quartz |
|---|---|---|
| Price | Under $50 | $500–$1,000 |
| Case Size | 35mm | 32.3mm x 50.3mm (Shield) |
| Movement | Quartz Module 593 | Quartz F06.111 |
| Caliber Type | Casio Digital Quartz (Battery) | Swiss High-Accuracy Quartz |
| Power Reserve | 7-Year Battery | 60 Months (Battery) |
| Water Resistance | 30m (Splash Resistant) | 50m (5 ATM) |
| Crystal | Acrylic | Sapphire |
| Case Material | Resin | Stainless Steel |
| Origin | Casio (Japan) | Swiss Made (Swatch Group) |
Category-by-Category Analysis
Design & Aesthetics
Casio's design language vs Hamilton's approach
The Casio F-91W features a Resin case at 35mm with Acrylic protection. The Hamilton Ventura Quartz offers Stainless Steel construction at 32.3mm x 50.3mm (Shield) with Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz Module 593 vs Quartz F06.111
The F-91W runs the Quartz Module 593 (Casio Digital Quartz (Battery), 7-Year Battery power reserve) at standard frequency. The Ventura Quartz uses the Quartz F06.111 (Swiss High-Accuracy Quartz, 60 Months (Battery) reserve) at 32,768 Hz (Quartz). The Ventura Quartz offers a longer power reserve.
Wearability & Fit
35mm vs 32.3mm x 50.3mm (Shield) — different wrist presence
At 35mm, the F-91W has a bolder wrist presence compared to the Ventura Quartz at 32.3mm x 50.3mm (Shield). Water resistance differs: 30m (Splash Resistant) vs 50m (5 ATM).
Value & Cost of Ownership
Casio sits in the lower tier
The Casio F-91W sits at Under $50 and the Hamilton Ventura Quartz at $500–$1,000. On the specs that outlast any price: the F-91W uses Acrylic with 7-Year Battery, against Sapphire and 60 Months (Battery) on the Ventura Quartz. Service intervals are typically 5-7 years for both.
Water Resistance
30m (Splash Resistant) vs 50m (5 ATM)
The F-91W is rated to 30m (Splash Resistant) while the Ventura Quartz handles 50m (5 ATM). The Ventura Quartz offers superior water resistance.
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 AmazonHamilton
Ventura Quartz
Choose the Hamilton Ventura Quartz if you value Swiss High-Accuracy Quartz technology, Swiss Made (Swatch Group) heritage, and 32.3mm x 50.3mm (Shield) proportions. At $500–$1,000, the Quartz F06.111 with 60 Months (Battery) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Casio F-91W and Hamilton Ventura Quartz represent two distinct approaches to the timepiece category — the Casio bringing Casio (Japan) tradition while Hamilton delivers Swiss Made (Swatch Group) engineering.
Frequently Asked Questions
More Comparisons
Explore These Watches
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.

