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# Tissot PRX: Powermatic 80 vs Quartz and Why the 1978 Design Works
- URL: https://www.unknowndivide.com/tissot-prx-powermatic-80-vs-quartz/
- Published: 2023-05-21T15:00:00.000Z
- Updated: 2026-11-05T07:20:04.000Z
- Description: The Tissot PRX brought a 1970s integrated bracelet look back at a sensible level. Here is where the design came from, how the Powermatic 80 automatic compares with the quartz version, and which size to pick.
- Author: unknowndivide staff
- Tags: Style

*Unknowndivide may earn a commission from purchases made through links in this post.*

For a long time, if you wanted a steel sports watch with a bracelet that flowed straight out of the case, you were looking at very expensive Swiss icons or long waiting lists. The Tissot PRX changed that. It took a case shape Tissot first made in 1978, cleaned it up for modern wrists and put it within reach of people who simply wanted a good looking, well made everyday watch. The result became one of the most talked about watches of the decade.

## What is the Tissot PRX

The PRX is a slim, cushion shaped steel watch with an integrated bracelet, meaning the bracelet links run directly from the case rather than attaching to separate lugs. The name is a small piece of watch history in itself. PR stands for Precise and Robust, a line of Tissot sports watches, and the X is the Roman numeral for ten, a reference to its water resistance of 10 bar, or 100 meters.

Tissot describes the watch as having an authentic 1970s feel, and the case shape really does come from a Tissot model of 1978\. When the modern version arrived in 2021 it was a quiet release, but collectors and first time buyers jumped on it quickly, and the range has grown to include several dial colors, two sizes and a chronograph.

## Tissot PRX Powermatic 80 vs quartz

The biggest choice is the movement.

- **Powermatic 80.** This is the self winding automatic version, powered by the motion of your wrist. Tissot quotes an 80 hour power reserve, enough to sit on a dresser over a weekend and still be running on Monday. It uses a balance spring Tissot calls Nivachron, designed to resist magnetism and temperature changes better than traditional springs. You can watch the movement through a see through caseback, and the seconds hand sweeps smoothly.
- **Quartz.** The battery powered version ticks once a second, is slightly thinner and lighter and needs almost no attention beyond an occasional battery change. It is the easier choice if you want to grab a watch and go without thinking about winding.

Neither is wrong. If you love mechanical watches, or you want your first one, the Powermatic 80 offers a lot of engineering for the money. If you care most about the look and convenience, the quartz delivers the design with less fuss. Our explainer on [watch movements](https://www.unknowndivide.com/watch-movements-explained-quartz-automatic-mechanical/) goes deeper on the tradeoffs.

## Size and fit

The automatic PRX in its larger size has a 40 millimeter case that is a little under 11 millimeters thick, according to Tissot's specifications, with a sapphire crystal and a stainless steel bracelet fastened by a butterfly clasp. Because the bracelet is integrated, the watch wears a bit larger than the number suggests, so people with slimmer wrists often prefer the 35 millimeter version. The bracelet has a quick release system, so you can swap to a leather or rubber strap without tools for a softer look.

Try to see one on the wrist before you buy if you can. The shape catches the light in a way that photos rarely capture, and that flash of polished and brushed steel is a big part of the appeal.

## Why the design works

The PRX works because it does one thing very clearly. It is a flat, geometric watch that looks equally good with a T shirt or a suit. The dial texture on many versions adds depth without clutter, and the bracelet makes it feel more expensive than it is. It also arrived at the right moment, when interest in 1970s design was rising and people were looking for an alternative to chunky dive watches.

## Who makes it

Tissot was founded in Le Locle, in the Swiss Jura mountains, in 1853, and it has a long record of making watches that bring Swiss engineering to a wide audience. The PRX fits that mission perfectly: a design with real history, built with modern technology, and priced for people who want to wear their watch every day rather than keep it in a safe. If you want something with a more rugged field watch character, see our guide to the [best field watches](https://www.unknowndivide.com/best-field-watches/), and for an affordable mechanical dress watch, read our take on the [Orient Bambino](https://www.unknowndivide.com/orient-bambino-version-2-automatic-dress-watch/).

**Where to buy the Tissot PRX**  
[Tissot PRX Powermatic 80, 40mm (Tissot)](https://www.tissotwatches.com/en-us/t1374071104100.html?ref=unknowndivide.com)  
[Tissot PRX quartz, 40mm (Tissot)](https://www.tissotwatches.com/en-us/t1374101104100.html?ref=unknowndivide.com)  
[Tissot PRX Powermatic 80 automatic, blue dial](https://www.amazon.com/dp/B094YLBC2F?tag=unknowndivi02-20&ref=unknowndivide.com)  
[Tissot PRX quartz, blue dial](https://www.amazon.com/dp/B08TB1MF6F?tag=unknowndivi02-20&ref=unknowndivide.com)

Find more watches, shoes and clothing with staying power in our [style hub](https://www.unknowndivide.com/sneakers-and-style/).