Tissot PRX Powermatic 80 vs Frederique Constant Slimline Moonphase Manufacture
Tissot's timepiece meets Frederique Constant's dress watch
Quick Verdict
The Tissot PRX Powermatic 80 (~$850) offers In-House Automatic (ETA C07.111 base) precision at $3,450 less than the Frederique Constant Slimline Moonphase Manufacture (~$4,300). The Slimline Moonphase Manufacture counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective price points.
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Specifications Compared
| Feature | Tissot PRX Powermatic 80 | Frederique Constant Slimline Moonphase Manufacture |
|---|---|---|
| Price | ~$850 | ~$4,300 |
| Case Size | 40mm | 42mm |
| Movement | Automatic Powermatic 80.111 | Automatic FC-705 (In-House) |
| Caliber Type | In-House Automatic (ETA C07.111 base) | In-House Automatic Manufacture |
| Power Reserve | 80 Hours | 42 Hours |
| Water Resistance | 100m (10 ATM) | 30m (3 ATM) |
| Crystal | Scratch-resistant Sapphire | Convex Sapphire |
| Case Material | 316L Stainless Steel | Stainless Steel |
| Origin | Swiss Made | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Tissot's design language vs Frederique Constant's approach
Movement & Performance
Automatic Powermatic 80.111 vs Automatic FC-705 (In-House)
Wearability & Fit
40mm vs 42mm — different wrist presence
Value & Cost of Ownership
Tissot is $3,450 more affordable
Water Resistance
100m (10 ATM) vs 30m (3 ATM)
Materials Face-Off
| Component | Tissot PRX Powermatic 80 | Frederique Constant Slimline Moonphase Manufacture |
|---|---|---|
| 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 | Stainless steel 316L (standard mid-range Swiss spec) |
| 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 | Synthetic sapphire grown via Verneuil process, Mohs 9, convex (domed) profile, anti-reflective coating Mohs 9 |
| Lume specification | Super-LumiNova grade BGW9 (blue-green daylight tone, blue emission in some variants) or C3 (yellow-green) depending on dial colour family. Glow durati | None (dress watch by design) |
| Bracelet alloy | Stainless steel 316L matching the case. | Silver lacquer with applied indices and printed moonphase graphic + pointer date scale |
| Strap | — | Black or brown calfskin leather with signed Frederique Constant buckle |
Cost of Ownership Compared
The Tissot PRX Powermatic 80 saves you $4,044 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 Frederique Constant Slimline Moonphase Manufacture if…
- 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.
Frederique Constant Slimline Moonphase Manufacture
- Brand recognition below heritage Swiss brands — Longines (1832), Omega, Tudor have stronger name recognition. FC (1988 founding) is a younger brand without the same cultural footprint despite genuine in-house horological credentials
- 42mm wears large for traditional dress watch — modern preference is often 38–40mm for dress; 42mm + slim bezel pushes visual presence larger
- 21mm lug width awkward for aftermarket strap fitment
- 30m WR limits to pure dress use — no swimming, no shower
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 ~$850, it delivers Automatic Powermatic 80.111 with 80 Hours power reserve.
Check Price on AmazonFrederique Constant
Slimline Moonphase Manufacture
Choose the Frederique Constant Slimline Moonphase Manufacture if you value In-House Automatic Manufacture technology, Swiss Made heritage, and 42mm proportions. At ~$4,300, the Automatic FC-705 (In-House) with 42 Hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Tissot PRX Powermatic 80 and Frederique Constant Slimline Moonphase Manufacture represent two distinct approaches to fine watchmaking — the Tissot bringing Swiss Made tradition while Frederique Constant delivers Swiss Made engineering.
Frequently Asked Questions
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