Tissot PRX Powermatic 80 vs Seiko Prospex Samurai SRPL13
Tissot's timepiece meets Seiko's diver
Quick Verdict
The Tissot PRX Powermatic 80 ($500–$1,000) and Seiko Prospex Samurai SRPL13 ($500–$1,000) are closely matched timepieces at similar price points. The PRX Powermatic 80 emphasizes In-House Automatic (ETA C07.111 base) engineering while the Prospex Samurai SRPL13 focuses on Made in Japan craftsmanship.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Seiko Prospex Samurai SRPL13 |
|---|---|---|
| Price | $500–$1,000 | $500–$1,000 |
| Case Size | 40mm | 41.7mm |
| Movement | Automatic Powermatic 80.111 | Automatic Caliber 4R35 |
| Caliber Type | In-House Automatic (ETA C07.111 base) | Seiko In-House Automatic |
| Power Reserve | 80 Hours | 41 Hours |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) |
| Crystal | Scratch-resistant Sapphire | Hardlex Crystal |
| Case Material | 316L Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Japan |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Seiko's approach
The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Seiko Prospex Samurai SRPL13 offers Stainless Steel construction at 41.7mm with Hardlex Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Powermatic 80.111 vs Automatic Caliber 4R35
The PRX Powermatic 80 runs the Automatic Powermatic 80.111 (In-House Automatic (ETA C07.111 base), 80 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Prospex Samurai SRPL13 uses the Automatic Caliber 4R35 (Seiko In-House Automatic, 41 Hours reserve) at 21,600 vph (3 Hz). The PRX Powermatic 80 edges ahead on power reserve.
Wearability & Fit
40mm vs 41.7mm — different wrist presence
At 40mm, the PRX Powermatic 80 wears more compactly on smaller wrists compared to the Prospex Samurai SRPL13 at 41.7mm. Water resistance differs: 100m (10 ATM) vs 200m (20 ATM).
Value & Cost of Ownership
Same tier — different value propositions
The Tissot PRX Powermatic 80 sits at $500–$1,000 and the Seiko Prospex Samurai SRPL13 at $500–$1,000. On the specs that outlast any price: the PRX Powermatic 80 uses Scratch-resistant Sapphire with 80 Hours, against Hardlex Crystal and 41 Hours on the Prospex Samurai SRPL13. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 200m (20 ATM)
The PRX Powermatic 80 is rated to 100m (10 ATM) while the Prospex Samurai SRPL13 handles 200m (20 ATM). The Prospex Samurai SRPL13 offers superior water resistance.
Our Verdict
Tissot
PRX Powermatic 80
Choose the Tissot PRX Powermatic 80 if you prioritize In-House Automatic (ETA C07.111 base) engineering, Swiss Made craftsmanship, and 100m (10 ATM) water resistance. At $500–$1,000, it delivers Automatic Powermatic 80.111 with 80 Hours power reserve.
Check Price on AmazonSeiko
Prospex Samurai SRPL13
Choose the Seiko Prospex Samurai SRPL13 if you value Seiko In-House Automatic technology, Made in Japan heritage, and 41.7mm proportions. At $500–$1,000, 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 and Seiko Prospex Samurai SRPL13 represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made tradition while Seiko delivers Made in Japan 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.