Tissot PRX Powermatic 80 vs Zenith Chronomaster El Primero
Tissot's timepiece meets Zenith's chronograph
Quick Verdict
The Tissot PRX Powermatic 80 ($500–$1,000) offers In-House Automatic (ETA C07.111 base) precision in the tier below the Zenith Chronomaster El Primero ($5,000–$10,000). The PRX Powermatic 80 measures 40mm and is rated 100m (10 ATM). The Chronomaster El Primero counters with Swiss Made craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.
Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Zenith Chronomaster El Primero |
|---|---|---|
| Price | $500–$1,000 | $5,000–$10,000 |
| Case Size | 40mm | 38mm |
| Movement | Automatic Powermatic 80.111 | Automatic El Primero 3600 (5Hz) |
| Caliber Type | In-House Automatic (ETA C07.111 base) | In-House Automatic Chronograph Manufacture |
| Power Reserve | 80 Hours | 60 Hours |
| Water Resistance | 100m (10 ATM) | 50m (5 ATM) |
| Crystal | Scratch-resistant Sapphire | Domed Sapphire |
| Case Material | 316L Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Zenith's approach
The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Zenith Chronomaster El Primero offers Stainless Steel construction at 38mm with Domed Sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Powermatic 80.111 vs Automatic El Primero 3600 (5Hz)
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 Chronomaster El Primero uses the Automatic El Primero 3600 (5Hz) (In-House Automatic Chronograph Manufacture, 60 Hours reserve) at 36,000 vph (5 Hz). The PRX Powermatic 80 edges ahead on power reserve.
Wearability & Fit
40mm vs 38mm — different wrist presence
At 40mm, the PRX Powermatic 80 has a bolder wrist presence compared to the Chronomaster El Primero at 38mm. Water resistance differs: 100m (10 ATM) vs 50m (5 ATM).
Value & Cost of Ownership
Tissot sits in the lower tier
The Tissot PRX Powermatic 80 sits at $500–$1,000 and the Zenith Chronomaster El Primero at $5,000–$10,000. On the specs that outlast any price: the PRX Powermatic 80 uses Scratch-resistant Sapphire with 80 Hours, against Domed Sapphire and 60 Hours on the Chronomaster El Primero. Service intervals are typically 5-7 years for both.
Water Resistance
100m (10 ATM) vs 50m (5 ATM)
The PRX Powermatic 80 is rated to 100m (10 ATM) while the Chronomaster El Primero handles 50m (5 ATM). The PRX Powermatic 80 is better suited for water activities.
Materials Face-Off
| Component | Tissot PRX Powermatic 80 | Zenith Chronomaster El Primero |
|---|---|---|
| Case alloy | Stainless steel 316L (medical-grade, with composition Cr 16–18%, Ni 10–14%, Mo 2–3%) — the standard mid-range Swiss spec; not 904L (Rolex Oystersteel | Zenith El Primero 3600 |
| Sapphire crystal | Synthetic corundum (Al₂O₃) grown via the Verneuil process, Mohs hardness 9. Anti-reflective coating on the interior surface only (single-side AR is st Mohs 9 | Domed sapphire with anti-reflective coating |
| Lume specification | Super-LumiNova on the hands and markers. Grade and glow duration are not published by the manufacturer for this reference, so neither is claimed here. | Stainless steel |
| Bracelet alloy | Stainless steel 316L matching the case. | Fixed polished steel |
Cost of Ownership Compared
The Tissot PRX Powermatic 80 saves you $8,536 over 5 years of ownership
Who Should Pick Which
Pick the Tissot PRX Powermatic 80 if…
- Strong value proposition under $1,000 with automatic Swiss movement
- Active lifestyle wearers — 100m water resistance handles swimming and water sports
- Weekend warriors — 80-hour power reserve means it survives two days off the wrist
- Those who prioritize scratch resistance — sapphire crystal
- Integrated-bracelet aesthetic fans wanting the Royal Oak look for 1/20th the price
Pick the Zenith Chronomaster El Primero if…
- Buyers wanting a true in-house manufacture chronograph — the El Primero is one of the three original automatic chronograph movements (1969)
- High-beat movement enthusiasts — 5 Hz / 36,000 vph gives a uniquely smooth sweep and 1/10th-second timing precision
- Smaller-wristed buyers — 38mm wears elegantly on 6"–7" wrists, rare in the chronograph category
- Heritage collectors — the Charles Vermot story (secretly preserving the caliber from corporate destruction) is one of horology's greatest narratives
- Practical daily wearers — 60-hour power reserve gives weekend-off breathing room
Tissot PRX Powermatic 80
- Retail markup is generous. The PRX commonly transacts at 30–40% under retail on Jomashop, Tissot's own e-commerce promotions, and authorized online dealers. Paying full $725 retail is rarely the right move — it usually means immediate ~30% loss the moment you walk out the door.
- Proprietary endlink limits strap options. The integrated bracelet design means you cannot easily put a NATO, leather two-piece, or rubber strap on the PRX without specialist hardware. This bothers some buyers more than they expect.
- Bracelet sizing is fiddly. Links are joined by screws (good — adjustable at home with a tool), but the screws are tiny and stripping them is common for inexperienced owners. Take it to a watchmaker for sizing if you're unsure.
- 3 Hz "slow" seconds. The reduced frequency (21,600 vph vs. 28,800 vph in some peer movements) means the seconds hand visibly sweeps at 6 ticks/second rather than 8. Some buyers expecting the smoother high-beat sweep find this a minor disappointment.
Zenith Chronomaster El Primero
- 19mm lug awkward for aftermarket.
- 1/10 second chronograph means seconds hand rotates faster — can confuse first-time users.
- 50m WR despite expensive watch.
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 AmazonZenith
Chronomaster El Primero
Choose the Zenith Chronomaster El Primero if you value In-House Automatic Chronograph Manufacture technology, Swiss Made heritage, and 38mm proportions. At $5,000–$10,000, the Automatic El Primero 3600 (5Hz) with 60 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Zenith Chronomaster El Primero represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made tradition while Zenith delivers Swiss Made engineering.
Frequently Asked Questions
More Comparisons
Tissot PRX vs Hamilton Khaki Field
Integrated bracelet sophistication meets military heritage
Tag Heuer Carrera Chronograph vs Tissot PRX Powermatic 80
Tag Heuer's chronograph meets Tissot's timepiece
Tag Heuer Carrera Chronograph vs Zenith Chronomaster El Primero
Two chronographs compared — $2,500–$5,000 vs $5,000–$10,000
Explore These Watches
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.