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The PRX Automatic Chronograph puts a full column-wheel chronograph movement into Tissot's integrated-bracelet package, arriving in 2022 as the complication flagship of the PRX line. At 42mm it reads larger than the three-hand 40mm, a size increase the Valjoux 7753 movement essentially demands. The panda dial launched first, giving this reference a clean, purposeful look that avoids the fussiness that derails many entry-level sport chronographs.
Tissot introduced the PRX Automatic Chronograph in 2022, building on the success of the three-hand PRX relaunch from 2021. The caliber is the A05.H31, Tissot's designation for the ETA Valjoux 7753, a well-regarded vertical-clutch, column-wheel automatic chronograph with 45 hours of power reserve. The 7753 is not in-house manufacture, but it is a legitimate step above the lever-clutch movements common at this price tier.
Tissot launched with a white panda dial in stainless steel; additional colorways followed through 2023 and 2024. Production is ongoing as of 2026 with no announced discontinuation.
The bracelet integration on the 42mm case uses the same end-link system as the three-hand, so check for play at the bracelet-to-case junction on any pre-owned example -- this point wears faster under active use. Chronograph pushers on the 7753 can develop stickiness if the watch sat unused for extended periods; test both pushers through a full cycle before buying. The panda dial's white registers show UV yellowing on pieces stored near windows -- inspect under good light, not under the seller's overhead LEDs.
Verify the caseback gasket has not been disturbed; the 100m water resistance depends on an intact seal, and amateur caseback openings are common on lightly worn sport watches. Crown threading should engage smoothly at all three positions without resistance.
New examples retail around $1,375 USD through authorized dealers, and that price is generally available without markup -- supply is solid. Pre-owned market sits in the $900-$1,100 range for clean examples with bracelet and box, reflecting modest but real depreciation off retail. There is no meaningful grey market premium; buyers paying above retail are being taken advantage of.
The integrated bracelet condition is the primary price driver on the secondary market -- a stretched or scratched bracelet can drop a watch $150-$200 below comparable examples with tight links.
The A05.H31 (Valjoux 7753) is rated for a full service interval of approximately 7-10 years under normal use. A complete chronograph service with gasket replacement typically runs $300-$500 at an authorized Tissot service center. The movement's wide adoption means qualified independent watchmakers can service it without sending to Tissot, which is worth factoring into long-term ownership cost.
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Both pushers must depress and return cleanly; sticky pushers indicate a chronograph service is needed.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| case | Pusher depression and return | Both pushers depress with a clean tactile click and return fully to the resting position without sticking | Any pusher that sticks in the depressed position or returns sluggishly; indicates chronograph service needed |
| case | Pusher aperture fit | Pushers fit flush with no visible gap between the pusher body and case aperture | Visible gap or play between pusher and case aperture indicating wear or incorrect pusher |
| bracelet | Integrated PRX bracelet with chronograph case | Integrated bracelet integrates flush with the chronograph case lugs; signed Tissot clasp | Bracelet that does not sit flush with the case or unsigned clasp indicating aftermarket replacement |
