Tissot PRX Powermatic 80 Buyer's Guide

This post contains affiliate links. I earn a commission if you buy through them, at no extra cost to you. Details. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, I may be compensated if you make a purchase through eBay links.

Let me say the quiet part out loud. Most people who fall for the integrated bracelet look will never spend Royal Oak money, and they should not have to. The Tissot PRX Powermatic 80 is the reason that does not matter anymore. Flat tonneau case, bracelet that flows straight out of it like liquid steel, a dial that throws light around the room, and a Swiss automatic movement that runs for more than three days off the wrist. For the money, nothing else in the category gives you this much watch.

This Journal usually lives in the vintage Rolex world. Today we step out of it, because the PRX is the watch I point friends toward when they ask where to start. Every spec and price below is checked against a real source.

Why the PRX Powermatic 80 hits so hard

Three things make this watch a monster seller.

The look. Integrated bracelet sports watches are the hottest design language in the hobby, and the PRX nails the proportions instead of copying anyone.
The movement. An 80 hour power reserve means you can take it off Friday night and it is still ticking Monday morning.
The price. Tissot lists the 40mm blue dial at $850 on Tissot.com as of November 2026, and the used market sits far below that. More on the numbers shortly.

Put those together and it feels like a cheat code.

The 1978 backstory that makes it legit

This is not a design invented in a marketing meeting last week. According to the Swatch Group, Tissot’s parent company, Tissot created a slim quartz model in 1978 with a wide transverse link bracelet that flowed straight out of a flat tonneau case. Hodinkee notes that the original debuted under the name Seastar. A few years later Tissot registered the PRX name. Per the Swatch Group, “PR” stands for Precise and Robust, and the Roman numeral X points to 10 bar, which is 100 meters of water resistance.

Tissot revived the design with a quartz PRX first, and it was an instant hit. Collectors immediately started begging for a mechanical version, and in 2021 Tissot delivered the Powermatic 80. SJX reported a launch price of US$650 in steel. That gap between launch price and today’s retail is worth remembering when we get to the buying advice.

Specs that actually matter

All figures below come from the official Tissot United States product pages, checked November 3, 2026.

Spec	PRX Powermatic 80 40mm	PRX Powermatic 80 35mm
Reference (blue dial)	T137.407.11.041.00	T137.207.11.041.00
Case width	40mm	35mm
Case length	39.5mm	35mm
Thickness	10.93mm	10.93mm
Weight	138g	104g
Water resistance	100m	100m
Crystal	Sapphire, antireflective coating on the underside	Sapphire, antireflective coating on the underside
Caseback	See through	See through
Power reserve	80 hours	80 hours
Bracelet	Quick release, butterfly clasp with push buttons	Quick release, butterfly clasp with push buttons
MSRP on Tissot.com	$850	$795

Two numbers jump off that table. First, under 11mm of thickness on a 40mm automatic. That is why it slides under a shirt cuff so easily. Second, the quick release bracelet. Tissot built in a system so you can swap to a strap without fighting spring bars, which turns one watch into several.

The Powermatic 80 movement: a workhorse with a three day tank

Inside sits the Powermatic 80.111. Hodinkee and SJX both explain that it is built on ETA’s C07.111, which descends from the legendary ETA 2824 family. ETA, like Tissot, belongs to the Swatch Group.

Here is what Swatch did to it:

Slower beat. It runs at 21,600 vibrations per hour, or 3Hz, per Swatch Group, Hodinkee and SJX.
Nivachron hairspring. Tissot says this titanium based alloy balance spring resists magnetic fields far better than a standard spring. Your laptop, phone and magnetic bag closures are less of a threat.
Built for automation. Hodinkee points out that the movement is designed to be assembled with minimal human intervention and is laser regulated at the factory, so there is no traditional fine regulator.

WatchCharts lists the calibre with 23 jewels. Real talk: this is not fine watchmaking and nobody at Tissot pretends it is. It is a smart, tough, modern engine, and through the display back it looks the part. For a daily wearer, I would take three days of reserve over hand finishing at this price every single time.

40mm or 35mm: pick your fighter

This is the question I get most, so here is my opinion.

Go 40mm if

Your wrist is roughly average or larger and you want presence.
You like the full sports watch swagger. The 40mm wears compact because the case length is only 39.5mm.

Go 35mm if

You have a smaller wrist, or you want something closer to the size of 1970s watches.
You love a watch that disappears under a sleeve. At 104g it is noticeably lighter than the 138g of the 40mm.

The thickness is identical on both at 10.93mm, so the 35mm wears a touch chunkier relative to its width. Try both on if you can. If you cannot, my rule is simple: when in doubt, the 40mm is the one that turns heads.

The waffle dial and the colors

The automatic PRX gets a textured waffle pattern dial that Tissot calls out on its 35mm page. Hodinkee notes that the quartz versions do not get this dial, and honestly, it is half the reason to pay up for the Powermatic. In sunlight the grid catches light from every angle.

At the 2021 launch, SJX listed the 40mm in blue, black, and a silver dial with a gold plated bezel. When the 35mm Powermatic arrived, Hodinkee reported blue, black, green, and white mother of pearl. Check Tissot.com for the current lineup before you decide. My pick is still the blue. It is the PRX in its purest form.

What it really costs in November 2026

Here is where this blog lives and dies, because asking prices lie. If you have not read it yet, my guide on how to find real sold prices (publishing November 13) explains why I trust transactions over listings. The same logic works on modern watches.

Retail. $850 for the 40mm blue dial and $795 for the 35mm blue dial, per Tissot.com as of November 3, 2026. The quartz PRX 40mm blue is $450 on the same site if you want the look without the automatic.

New from discounters. WatchCurrent recorded the 40mm blue at $620 new at a gray market retailer on November 1, 2026. Gray market pricing moves fast and warranty terms differ from an authorized dealer purchase, so read the fine print.

Used. This is where it gets spicy. WatchCharts put the market price for T137.407.11.041.00 at $420 as of November 2, 2026, and estimates around $565 from a preowned dealer. Watch Price Tracker’s sold data shows a 90 day median of $480 across 46 sales through October 26, 2026, with the middle half of sales between $435 and $600.

Translation: a clean used 40mm trades for roughly half of retail. That is the sweet spot. You can verify the current market yourself with the eBay sold filter for the PRX Powermatic 80 before you make an offer.

Ready to hunt one down? See current Tissot PRX Powermatic 80 40mm listings on eBay or current PRX Powermatic 80 35mm listings.

The honest downsides

I love this watch. I am also not going to sell you a fantasy.

No screw down crown. SJX notes the crown is not screwed down and the caseback is press fit. The watch is rated to 100m, but treat it as a swim and splash watch, not a dive tool.
No fine regulator. Because of the factory laser regulation Hodinkee describes, a watchmaker cannot simply nudge the rate the old fashioned way.
It is everywhere. You will see it on other wrists. If exclusivity matters to you, look elsewhere.
Polished surfaces scratch. The polished bevels look incredible and pick up desk marks fast. Embrace it.

Buying used without getting burned

Popular watches deserve the same discipline I preach for vintage.

Match the reference. The reference in the listing and paperwork should match the dial color and case size you see.
Ask for a timing video or app reading. A healthy Powermatic 80 should run steadily after a full wind.
Check the bracelet. Count the included links. Missing links cost real money to replace, and the integrated design means generic bracelets will not fit.
Look at the quick release pins. Make sure the bracelet releases and clicks back in cleanly.
Box and papers matter less than condition on a watch at this price, but a warranty card helps if the watch is still inside Tissot’s 2 year warranty, listed on Tissot.com.

If you are coming to this from vintage pieces like the Seiko 6105 Captain Willard (guide publishing November 27), you will find the PRX refreshingly easy to authenticate. And if the PRX turns out to be your gateway drug, my Rolex GMT Master II 16710 buyer’s guide shows you how deep the rabbit hole goes. Want that GMT look on a PRX sized budget? Start with my picks for affordable Rolex GMT alternatives under $1,000 (publishing November 5).

Accessories worth having

The PRX is one of the few integrated bracelet watches that rewards a strap swap. Here is what I would actually spend on:

A PRX compatible strap. Thanks to the quick release system, a PRX compatible rubber strap turns it into a summer beach watch in seconds. Check that the listing names the PRX case size you own.
A link removal tool. Sizing the bracelet yourself saves a trip to a jeweler. A basic watch link removal tool does the job if you go slowly.
Skip the winder. With 80 hours of reserve, most people who rotate two or three watches will never need one. Spend that money on the strap.

FAQ

Is the Tissot PRX Powermatic 80 worth it?

At used prices around $480 per Watch Price Tracker’s sold data, it is one of the strongest values in Swiss watches. At the $850 MSRP, it is still a great watch, but buying used or at a discount is the smarter move.

What movement is in the PRX Powermatic 80?

The Powermatic 80.111, based on ETA’s C07.111 from the 2824 family, beating at 21,600 vibrations per hour with an 80 hour power reserve and a Nivachron balance spring.

Is the PRX Powermatic 80 waterproof?

Tissot rates it to 100 meters, or 10 bar. The crown does not screw down, so swimming is fine but it is not a dive watch.

Does the PRX Powermatic 80 hold its value?

Not the way a steel Rolex does. With retail at $850 and the used market median near $480, expect to lose roughly 40 to 50 percent if you buy new at full retail. That is exactly why used is the play.

Quick takeaways

The PRX design dates to Tissot’s 1978 quartz Seastar. The Powermatic 80 version arrived in 2021 at US$650.
MSRP on Tissot.com as of November 2026: $850 for the 40mm, $795 for the 35mm, $450 for the 40mm quartz.
Powermatic 80.111: ETA C07.111 base, 21,600 vph, 80 hour reserve, Nivachron hairspring.
10.93mm thick, 100m water resistance, sapphire crystal, quick release bracelet.
Used market median about $480 over 90 days. Buy used, buy smart, wear it hard.

Sources: Tissot, PRX Powermatic 80 40mm T137.407.11.041.00 · Tissot, PRX Powermatic 80 35mm T137.207.11.041.00 · Tissot, PRX 40mm quartz T137.410.11.041.00 · Swatch Group, PRX Powermatic 80 · Hodinkee, Powermatic 80 PRX · Hodinkee, PRX Powermatic 80 35mm · SJX, Tissot PRX Powermatic 80 · WatchCharts, T137.407.11.041.00 · Watch Price Tracker, T137.407.11.041.00 · WatchCurrent, T137.407.11.041.00. Accessed November 2026.