Updated
Tissot PRX Powermatic 80 vs Blancpain Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap)
Tissot's timepiece meets Blancpain's diver
Quick Verdict
The Tissot PRX Powermatic 80 ($500–$1,000) offers In-House Automatic (ETA C07.111 base) precision in the tier below the Blancpain Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) ($25,000+). The PRX Powermatic 80 measures 40mm and is rated 100m (10 ATM). The Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) counters with Swiss Made craftsmanship and 300m (30 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Blancpain
Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap)
$25,000+
Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Blancpain Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) |
|---|---|---|
| Price | $500–$1,000 | $25,000+ |
| Case Size | 40mm | 45mm |
| Movement | Automatic Powermatic 80.111 | Automatic, Blancpain calibre 1315, silicon balance spring |
| Caliber Type | In-House Automatic (ETA C07.111 base) | 1315, automatic |
| Power Reserve | 80 Hours | About 120 hours (5 days) |
| Water Resistance | 100m (10 ATM) | 300m (30 ATM) |
| Crystal | Scratch-resistant Sapphire | Sapphire Crystal |
| Case Material | 316L Stainless Steel | 18k red gold, domed blue sapphire unidirectional bezel, sapphire caseback |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Blancpain's approach
The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Blancpain Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) offers 18k red gold, domed blue sapphire unidirectional bezel, sapphire caseback construction at 45mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Powermatic 80.111 vs Automatic, Blancpain calibre 1315, silicon balance spring
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 Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) uses the Automatic, Blancpain calibre 1315, silicon balance spring (1315, automatic, About 120 hours (5 days) reserve) at standard. The Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) offers a longer power reserve.
Wearability & Fit
40mm vs 45mm — different wrist presence
At 40mm, the PRX Powermatic 80 wears more compactly on smaller wrists compared to the Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) at 45mm. Water resistance differs: 100m (10 ATM) vs 300m (30 ATM).
Value & Cost of Ownership
Tissot sits in the lower tier
The Tissot PRX Powermatic 80 sits at $500–$1,000 and the Blancpain Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) at $25,000+. On the specs that outlast any price: the PRX Powermatic 80 uses Scratch-resistant Sapphire with 80 Hours, against Sapphire Crystal and About 120 hours (5 days) on the Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap). Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 300m (30 ATM)
The PRX Powermatic 80 is rated to 100m (10 ATM) while the Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) handles 300m (30 ATM). The Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) 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 AmazonBlancpain
Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap)
Choose the Blancpain Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) if you value 1315, automatic technology, Swiss Made heritage, and 45mm proportions. At $25,000+, the Automatic, Blancpain calibre 1315, silicon balance spring with About 120 hours (5 days) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Blancpain Fifty Fathoms Automatique 5015-3603C-63B (18k red gold, blue dial, blue sail-canvas strap) represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made tradition while Blancpain delivers Swiss Made 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.