Tissot PRX Powermatic 80 vs Seiko Prospex "Turtle"
Tissot's timepiece meets Seiko's diver
Quick Verdict
The Seiko Prospex "Turtle" (~$500) delivers In-House Automatic Manufacture technology at $350 less than the Tissot PRX Powermatic 80 (~$850). The PRX Powermatic 80 justifies its premium with Swiss Made heritage and Automatic Powermatic 80.111. Both represent excellent choices in the luxury watch category.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Seiko Prospex "Turtle" |
|---|---|---|
| Price | ~$850 | ~$500 |
| Case Size | 40mm | 45mm |
| Movement | Automatic Powermatic 80.111 | Automatic Caliber 4R36 |
| Caliber Type | In-House Automatic (ETA C07.111 base) | In-House Automatic Manufacture |
| Power Reserve | 80 Hours | 41 Hours |
| Water Resistance | 100m (10 ATM) | 200m (20 ATM) Diver |
| Crystal | Scratch-resistant Sapphire | Sapphire 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
Movement & Performance
Automatic Powermatic 80.111 vs Automatic Caliber 4R36
Wearability & Fit
40mm vs 45mm — different wrist presence
Value & Cost of Ownership
Seiko is $350 more affordable
Water Resistance
100m (10 ATM) vs 200m (20 ATM) Diver
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 ~$850, it delivers Automatic Powermatic 80.111 with 80 Hours power reserve.
Check Price on AmazonSeiko
Prospex "Turtle"
Choose the Seiko Prospex "Turtle" if you value In-House Automatic Manufacture technology, Made in Japan heritage, and 45mm proportions. At ~$500, the Automatic Caliber 4R36 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Seiko Prospex "Turtle" represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made tradition while Seiko delivers Made in Japan engineering.