Hamilton Ventura Quartz vs Seiko Prospex Samurai SRPF03
Hamilton's timepiece meets Seiko's diver
Quick Verdict
The Seiko Prospex Samurai SRPF03 ($250–$500) delivers Seiko Automatic, hand-winding and hacking technology in the tier below the Hamilton Ventura Quartz ($500–$1,000). The Prospex Samurai SRPF03 measures 43.8mm and is rated 200m (20 ATM). The Ventura Quartz justifies its premium with Swiss Made (Swatch Group) heritage and Quartz F06.111. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Hamilton Ventura Quartz | Seiko Prospex Samurai SRPF03 |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 32.3mm x 50.3mm (Shield) | 43.8mm |
| Movement | Quartz F06.111 | Automatic Caliber 4R35 |
| Caliber Type | Swiss High-Accuracy Quartz | Seiko Automatic, hand-winding and hacking |
| Power Reserve | 60 Months (Battery) | 41 Hours |
| Water Resistance | 50m (5 ATM) | 200m (20 ATM) |
| Crystal | Sapphire | Hardlex Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made (Swatch Group) | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
Hamilton's design language vs Seiko's approach
The Hamilton Ventura Quartz features a Stainless Steel case at 32.3mm x 50.3mm (Shield) with Sapphire protection. The Seiko Prospex Samurai SRPF03 offers Stainless Steel construction at 43.8mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Quartz F06.111 vs Automatic Caliber 4R35
The Ventura Quartz runs the Quartz F06.111 (Swiss High-Accuracy Quartz, 60 Months (Battery) power reserve) at 32,768 Hz (Quartz) frequency. The Prospex Samurai SRPF03 uses the Automatic Caliber 4R35 (Seiko Automatic, hand-winding and hacking, 41 Hours reserve) at 21,600 vph (3 Hz). The Ventura Quartz edges ahead on power reserve.
Wearability & Fit
32.3mm x 50.3mm (Shield) vs 43.8mm — different wrist presence
At 32.3mm x 50.3mm (Shield), the Ventura Quartz wears more compactly on smaller wrists compared to the Prospex Samurai SRPF03 at 43.8mm. Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Seiko sits in the lower tier
The Hamilton Ventura Quartz sits at $500–$1,000 and the Seiko Prospex Samurai SRPF03 at $250–$500. On the specs that outlast any price: the Ventura Quartz uses Sapphire with 60 Months (Battery), against Hardlex Crystal and 41 Hours on the Prospex Samurai SRPF03. Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 200m (20 ATM)
The Ventura Quartz is rated to 50m (5 ATM) while the Prospex Samurai SRPF03 handles 200m (20 ATM). The Prospex Samurai SRPF03 offers superior water resistance.
Our Verdict
Hamilton
Ventura Quartz
Choose the Hamilton Ventura Quartz if you prioritize Swiss High-Accuracy Quartz engineering, Swiss Made (Swatch Group) craftsmanship, and 50m (5 ATM) water resistance. At $500–$1,000, it delivers Quartz F06.111 with 60 Months (Battery) power reserve.
Check Price on AmazonSeiko
Prospex Samurai SRPF03
Choose the Seiko Prospex Samurai SRPF03 if you value Seiko Automatic, hand-winding and hacking technology, Japanese Movement heritage, and 43.8mm proportions. At $250–$500, the Automatic Caliber 4R35 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Hamilton Ventura Quartz and Seiko Prospex Samurai SRPF03 represent two distinct approaches to fine watchmaking — the Hamilton bringing Swiss Made (Swatch Group) tradition while Seiko delivers Japanese Movement 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.