Tissot PRX Powermatic 80 35mm vs Seiko Prospex Samurai SRPF03
Tissot'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 Tissot PRX Powermatic 80 35mm ($500–$1,000). The Prospex Samurai SRPF03 measures 43.8mm and is rated 200m (20 ATM). The PRX Powermatic 80 35mm justifies its premium with Swiss Made heritage and Automatic Powermatic 80 (Caliber 80.111). Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 35mm | Seiko Prospex Samurai SRPF03 |
|---|---|---|
| Price | $500–$1,000 | $250–$500 |
| Case Size | 35mm | 43.8mm |
| Movement | Automatic Powermatic 80 (Caliber 80.111) | Automatic Caliber 4R35 |
| Caliber Type | ETA/Tissot Automatic | Seiko Automatic, hand-winding and hacking |
| Power Reserve | 80 Hours | 41 Hours |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Sapphire Crystal | Hardlex Crystal |
| Case Material | Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Japanese Movement |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Seiko's approach
The Tissot PRX Powermatic 80 35mm features a Stainless Steel case at 35mm with Sapphire Crystal 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
Automatic Powermatic 80 (Caliber 80.111) vs Automatic Caliber 4R35
The PRX Powermatic 80 35mm runs the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours power reserve) at 21,600 vph (3 Hz) 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 PRX Powermatic 80 35mm edges ahead on power reserve.
Wearability & Fit
35mm vs 43.8mm — different wrist presence
At 35mm, the PRX Powermatic 80 35mm wears more compactly on smaller wrists compared to the Prospex Samurai SRPF03 at 43.8mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Seiko sits in the lower tier
The Tissot PRX Powermatic 80 35mm sits at $500–$1,000 and the Seiko Prospex Samurai SRPF03 at $250–$500. On the specs that outlast any price: the PRX Powermatic 80 35mm uses Sapphire Crystal with 80 Hours, against Hardlex Crystal and 41 Hours on the Prospex Samurai SRPF03. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The PRX Powermatic 80 35mm is rated to 100m (10 ATM) while the Prospex Samurai SRPF03 handles 200m (20 ATM). The Prospex Samurai SRPF03 offers superior water resistance.
Our Verdict
Tissot
PRX Powermatic 80 35mm
Choose the Tissot PRX Powermatic 80 35mm if you prioritize ETA/Tissot Automatic engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Automatic Powermatic 80 (Caliber 80.111) with 80 Hours 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 Tissot PRX Powermatic 80 35mm and Seiko Prospex Samurai SRPF03 represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made 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.