Tissot PRX Powermatic 80 vs Junghans Form A Automatic
Tissot's timepiece meets Junghans's dress watch
Quick Verdict
The Tissot PRX Powermatic 80 ($500–$1,000) offers In-House Automatic (ETA C07.111 base) precision in the tier below the Junghans Form A Automatic ($1,000–$1,500). The PRX Powermatic 80 measures 40mm and is rated 100m (10 ATM). The Form A Automatic counters with Made in Germany craftsmanship and 50m (5 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Junghans Form A Automatic |
|---|---|---|
| Price | $500–$1,000 | $1,000–$1,500 |
| Case Size | 40mm | 39.3mm |
| Movement | Automatic Powermatic 80.111 | Automatic J800.2 (ETA 2824-2) |
| Caliber Type | In-House Automatic (ETA C07.111 base) | Swiss ETA Base, German-Finished |
| Power Reserve | 80 Hours | 38 Hours |
| Water Resistance | 100m (10 ATM) | 50m (5 ATM) |
| Crystal | Scratch-resistant Sapphire | Flat Sapphire with Anti-Reflective Coating |
| Case Material | 316L Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Made in Germany |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Junghans's approach
The Tissot PRX Powermatic 80 features a 316L Stainless Steel case at 40mm with Scratch-resistant Sapphire protection. The Junghans Form A Automatic offers Stainless Steel construction at 39.3mm with Flat Sapphire with Anti-Reflective Coating. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Powermatic 80.111 vs Automatic J800.2 (ETA 2824-2)
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 Form A Automatic uses the Automatic J800.2 (ETA 2824-2) (Swiss ETA Base, German-Finished, 38 Hours reserve) at 28,800 vph (4 Hz). The PRX Powermatic 80 edges ahead on power reserve.
Wearability & Fit
40mm vs 39.3mm — different wrist presence
At 40mm, the PRX Powermatic 80 has a bolder wrist presence compared to the Form A Automatic at 39.3mm. 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 Junghans Form A Automatic at $1,000–$1,500. On the specs that outlast any price: the PRX Powermatic 80 uses Scratch-resistant Sapphire with 80 Hours, against Flat Sapphire with Anti-Reflective Coating and 38 Hours on the Form A Automatic. 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 Form A Automatic handles 50m (5 ATM). The PRX Powermatic 80 is better suited for water activities.
Materials Face-Off
| Component | Tissot PRX Powermatic 80 | Junghans Form A Automatic |
|---|---|---|
| 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 | 316L stainless steel — standard grade for mid-range watchmaking. Hypoallergenic, corrosion-resistant. |
| 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 | Flat sapphire (Mohs 9) with anti-reflective coating on the underside — provides excellent clarity with minimal internal glare. Note — Unlike the Max Mohs 9 |
| 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. | Tinted mineral glass (smoke/grey tint) — provides partial view of the movement while maintaining a subtle aesthetic. |
| Bracelet alloy | Stainless steel 316L matching the case. | Brass-base dial with matte silver lacquer finish, embossed (stamped) square minute track producing three-dimensional relief. |
| Strap | — | Black calfskin leather with polished stainless steel pin buckle. Leather is adequate quality but not luxury-grade. |
Cost of Ownership Compared
The Tissot PRX Powermatic 80 saves you $830 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 Junghans Form A Automatic if…
- Enthusiasts wanting proven Swiss/Japanese quality in the $1,000–$2,000 sweet spot
- Those who prioritize scratch resistance — sapphire crystal
- Dress watch seekers who want understated elegance
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.
Junghans Form A Automatic
- ETA 2824-2 at a $1,000–$1,500 band price — fair value but not prestige movement. NOMOS offers in-house for only slightly more.
- 38-hour power reserve — leaves unworn for a weekend and it's stopped by Monday
- No lume / dress-only — not versatile for active or outdoor use
- Limited US distribution — difficult to try on in person outside major cities
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 AmazonJunghans
Form A Automatic
Choose the Junghans Form A Automatic if you value Swiss ETA Base, German-Finished technology, Made in Germany heritage, and 39.3mm proportions. At $1,000–$1,500, the Automatic J800.2 (ETA 2824-2) with 38 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Junghans Form A Automatic represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made tradition while Junghans delivers Made in Germany engineering.
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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.