Tissot PRX Powermatic 80 vs Seiko Presage SSA425 Open Heart
Two timepieces compared — ~$850 vs ~$460
Quick Verdict
The Seiko Presage SSA425 Open Heart (~$460) delivers Seiko In-House Automatic technology at $390 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 timepiece category.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Seiko Presage SSA425 Open Heart |
|---|---|---|
| Price | ~$850 | ~$460 |
| Case Size | 40mm | 40.5mm |
| Movement | Automatic Powermatic 80.111 | Automatic Caliber 4R38 |
| Caliber Type | In-House Automatic (ETA C07.111 base) | Seiko In-House Automatic |
| Power Reserve | 80 Hours | 41 Hours |
| Water Resistance | 100m (10 ATM) | 50m (5 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
Movement & Performance
Automatic Powermatic 80.111 vs Automatic Caliber 4R38
Wearability & Fit
40mm vs 40.5mm — different wrist presence
Value & Cost of Ownership
Seiko is $390 more affordable
Water Resistance
100m (10 ATM) vs 50m (5 ATM)
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
Presage SSA425 Open Heart
Choose the Seiko Presage SSA425 Open Heart if you value Seiko In-House Automatic technology, Made in Japan heritage, and 40.5mm proportions. At ~$460, the Automatic Caliber 4R38 with 41 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Seiko Presage SSA425 Open Heart represent two distinct approaches to the timepiece category — the Tissot bringing Swiss Made tradition while Seiko delivers Made in Japan engineering.
Frequently Asked Questions
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