Buying guide
Tissot PRX vs Citizen Tsuyosa
The integrated-bracelet automatic, at two very different prices. The Tsuyosa gets you most of the way for under half. Here's exactly which half you don't get.
The integrated-bracelet sports watch — where the bracelet flows out of the case as one continuous line — used to be a luxury genre. The Tissot PRX brought it to around $850. The Citizen Tsuyosa brought it to under half of that, with a sapphire crystal and Citizen's own automatic movement.
The short answer: if you mostly want the look, buy the Tsuyosa and keep the difference. If you want the 80-hour power reserve, 100m of water resistance and Swiss finishing, the PRX is genuinely better and priced accordingly.
Disclosure
Some links here are affiliate links — mostly to Amazon. If you buy through one we may earn a small commission, at no extra cost to you. It never changes which watch we pick or the price you pay. Prices are pulled live and date-stamped; where we can't verify one, we show none. Full disclosure.
The contenders
Tissot
Tissot PRX Powermatic 80
Price as of Sep 6, 2026. Prices change — Amazon's is the one that counts.
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Citizen
Citizen Tsuyosa NJ0150
$495.0028% off
Price as of Sep 6, 2026. Prices change — Amazon's is the one that counts.
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Head-to-head
| Factor | Tissot PRX | Citizen Tsuyosa |
|---|---|---|
| Movement | Powermatic 80, Swiss | Citizen 8210, in-house |
| Power reserve | 80 hours | 42 hours |
| Crystal | Sapphire with AR coating | Sapphire |
| Water resistance | 100m | 50m |
| Case | 40mm (35mm version exists) | 40mm (37mm version exists) |
| Antimagnetic hairspring | Nivachron | Not specified |
| Published accuracy | Not published as a daily figure | Not published |
| Typical price | Roughly double the Citizen | Roughly half the Tissot |
The two differences that actually matter
Power reserve.80 hours against 42. Take the PRX off on Friday evening and it's still running on Monday; the Tsuyosa will have stopped by Sunday. If you own one watch and wear it every day, irrelevant. If you rotate, it's a weekly difference.
Water resistance.100m against 50m. The Tsuyosa looks sporty and isn't rated for swimming in the way the PRX is — Citizen describes 50m as suitable for still-water swimming, and we'd treat it as a rain-and-hand-washing watch. The ratings guide explains why that gap is bigger in practice than the numbers suggest.
What's closer than you'd expect
Both have sapphire crystals— the PRX adds an anti-reflective coating, the Tsuyosa doesn't, but the fundamental scratch resistance is the same material. Both have genuinely in-house movements that hack and hand-wind. Both are 40mm with a smaller sibling for narrower wrists — the 35mm PRX and 37mm Tsuyosa both fit far smaller wrists than their looks suggest.
And both share the integrated-bracelet compromise: the bracelet is part of the case design, so you cannot fit a standard strap. That's a permanent constraint on both watches, and the main reason to think twice about the whole genre.
Finishing, and whether you'll see it
The PRX is better finished — sharper case edges, a more refined clasp, a dial with more depth. Side by side under good light it shows. At arm's length on a wrist, in an office, it mostly doesn't. Whether that's worth double is a question about what you enjoy, not about watchmaking, and we won't pretend there's an objective answer.
Which should you buy?
- Buy the Citizen Tsuyosaif the integrated-bracelet look is the point, if you don't swim in your watch, and if you'd rather put the difference toward a second watch. Full review here.
- Buy the Tissot PRX if you want the 80-hour reserve, 100m water resistance, AR sapphire and Swiss finishing, and you plan to keep it a long time. Full review here.
Both appear on the under-$1,000 list; the Tsuyosa also leads on value in the sapphire shortlist.
Questions
FAQ
Is the Citizen Tsuyosa a good alternative to the Tissot PRX?
Yes, for well under half the price. You get the same integrated-bracelet concept, a sapphire crystal and an in-house automatic. What you give up is the 80-hour power reserve (42 hours instead), 100m water resistance (50m instead), the anti-reflective coating and Swiss finishing.
Can you swim with a Citizen Tsuyosa?
Citizen rates it 50m and describes that as suitable for still-water swimming. We'd treat it as a rain-and-hand-washing watch. The Tissot PRX at 100m is the one of the two you can swim in without thinking about it.
Can you change the bracelet on a PRX or Tsuyosa?
Not for a standard strap. On both watches the bracelet is integrated into the case design, so you are limited to the maker's own fittings. If you like swapping straps regularly, neither of these is the right watch.
Specs & sources
Specifications on this page are compiled from manufacturer datasheets, official product pages, and published standards. Prices are pulled live from Amazon and date-stamped; nothing is invented.
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