Updated
Tissot PRX Powermatic 80 vs Blancpain L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold)
Two timepieces compared — $500–$1,000 vs $25,000+
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 L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) ($25,000+). The PRX Powermatic 80 measures 40mm and is rated 100m (10 ATM). The L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional timepieces for their respective tiers.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Blancpain L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) |
|---|---|---|
| Price | $500–$1,000 | $25,000+ |
| Case Size | 40mm | 43.5mm, 15.55mm thick |
| Movement | Automatic Powermatic 80.111 | Automatic, Blancpain calibre 66R9, 36 jewels |
| Caliber Type | In-House Automatic (ETA C07.111 base) | Blancpain 66R9, in-house |
| Power Reserve | 80 Hours | About 192 hours (8 days), with indicator |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Scratch-resistant Sapphire | Sapphire Crystal |
| Case Material | 316L Stainless Steel | 18k red gold, display back |
| 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 L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) offers 18k red gold, display back construction at 43.5mm, 15.55mm thick with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Powermatic 80.111 vs Automatic, Blancpain calibre 66R9, 36 jewels
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 L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) uses the Automatic, Blancpain calibre 66R9, 36 jewels (Blancpain 66R9, in-house, About 192 hours (8 days), with indicator reserve) at standard. The L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) offers a longer power reserve.
Wearability & Fit
40mm vs 43.5mm, 15.55mm thick — different wrist presence
At 40mm, the PRX Powermatic 80 wears more compactly on smaller wrists compared to the L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) at 43.5mm, 15.55mm thick. Water resistance differs: 100m (10 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Tissot sits in the lower tier
The Tissot PRX Powermatic 80 sits at $500–$1,000 and the Blancpain L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) 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 192 hours (8 days), with indicator on the L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold). Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 100m (10 ATM)
The PRX Powermatic 80 is rated to 100m (10 ATM) while the L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) handles 100m (10 ATM). Both offer identical water resistance ratings.
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
L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold)
Choose the Blancpain L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) if you value Blancpain 66R9, in-house technology, Swiss Made heritage, and 43.5mm, 15.55mm thick proportions. At $25,000+, the Automatic, Blancpain calibre 66R9, 36 jewels with About 192 hours (8 days), with indicator power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Blancpain L-Evolution Moon Phase 8 Days 8866-3630-53B (18k red gold) represent two distinct approaches to the timepiece category — 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.

