Updated
Tissot PRX Powermatic 80 vs Ulysse Nardin Executive Skeleton X 42mm (18k rose gold, blue)
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 Ulysse Nardin Executive Skeleton X 42mm (18k rose gold, blue) ($25,000+). The PRX Powermatic 80 measures 40mm and is rated 100m (10 ATM). The Executive Skeleton X 42mm (18k rose gold, blue) 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 | Ulysse Nardin Executive Skeleton X 42mm (18k rose gold, blue) |
|---|---|---|
| Price | $500–$1,000 | $25,000+ |
| Case Size | 40mm | 42mm |
| Movement | Automatic Powermatic 80.111 | Hand-wound, Ulysse Nardin UN-371 (skeleton) |
| Caliber Type | In-House Automatic (ETA C07.111 base) | UN-371, hand-wound, silicon escapement and balance spring |
| Power Reserve | 80 Hours | About 96 hours (four days) |
| Water Resistance | 100m (10 ATM) | 100m (10 ATM) |
| Crystal | Scratch-resistant Sapphire | Sapphire Crystal, sapphire caseback |
| Case Material | 316L Stainless Steel | 18k rose gold, blue bezel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Ulysse Nardin's approach
The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Ulysse Nardin Executive Skeleton X 42mm (18k rose gold, blue) offers 18k rose gold, blue bezel construction at 42mm with Sapphire Crystal, sapphire caseback. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Powermatic 80.111 vs Hand-wound, Ulysse Nardin UN-371 (skeleton)
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 Executive Skeleton X 42mm (18k rose gold, blue) uses the Hand-wound, Ulysse Nardin UN-371 (skeleton) (UN-371, hand-wound, silicon escapement and balance spring, About 96 hours (four days) reserve) at standard. The Executive Skeleton X 42mm (18k rose gold, blue) offers a longer power reserve.
Wearability & Fit
40mm vs 42mm — different wrist presence
At 40mm, the PRX Powermatic 80 wears more compactly on smaller wrists compared to the Executive Skeleton X 42mm (18k rose gold, blue) at 42mm. 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 Ulysse Nardin Executive Skeleton X 42mm (18k rose gold, blue) at $25,000+. On the specs that outlast any price: the PRX Powermatic 80 uses Scratch-resistant Sapphire with 80 Hours, against Sapphire Crystal, sapphire caseback and About 96 hours (four days) on the Executive Skeleton X 42mm (18k rose gold, blue). 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 Executive Skeleton X 42mm (18k rose gold, blue) 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 AmazonUlysse Nardin
Executive Skeleton X 42mm (18k rose gold, blue)
Choose the Ulysse Nardin Executive Skeleton X 42mm (18k rose gold, blue) if you value UN-371, hand-wound, silicon escapement and balance spring technology, Swiss Made heritage, and 42mm proportions. At $25,000+, the Hand-wound, Ulysse Nardin UN-371 (skeleton) with About 96 hours (four days) power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Ulysse Nardin Executive Skeleton X 42mm (18k rose gold, blue) represent two distinct approaches to the timepiece category — the Tissot bringing Swiss Made tradition while Ulysse Nardin 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.