The Oris Aquis Pro 1000m is a 2025 professional-style dive watch, reference 01 733 7801 7255-Set, with a manufacturer-rated 100 bar (1,000 metre) water resistance, a titanium case and Oris’s bezel-locking Rotation Safety System. Oris currently lists it at USD 4,100 on its US product page. Its closest lineup alternative, the Aquis Pro 4000m, costs more and pairs a higher stated rating with a different movement and longer power reserve.
What is the Oris Aquis Pro 1000m?
It is a large Aquis Pro diver introduced in 2025. Oris describes it as “Our pro dive watch is feature-rich.” The model is identified by reference 01 733 7801 7255-Set, and its defining combination is a 49.50 mm multi-piece titanium case, a ceramic minutes-scale top ring, and the Rotation Safety System (RSS) bezel lock. Oris Aquis Pro 1000m product listing
Oris specifies water resistance of 100 bar, which it equates on the product page to 1,000 metres. That is the manufacturer’s rating; it should not be read as a promise that the watch is suitable for every real-world dive to that depth. Actual diving involves equipment, conditions and procedures beyond a watch’s stated rating.
How does the Rotation Safety System work?
Oris says the RSS locks the bezel in place after it has been set, helping keep the dive-timing indication from being moved inadvertently. The product description establishes the intended function, but does not provide independent test results for the mechanism. Oris product description
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Specifications and what comes in the set
| Specification | Oris Aquis Pro 1000m |
|---|---|
| Reference | 01 733 7801 7255-Set |
| Case | 49.50 mm, multi-piece titanium, grey plated |
| Bezel | Ceramic top ring with minutes scale; Rotation Safety System bezel lock |
| Water resistance | 100 bar (1,000 metres), as specified by Oris |
| Movement | Automatic Oris Calibre 733-1 |
| Functions | Centre hours, minutes and seconds; date; stop seconds |
| Power reserve | 41 hours |
| Crystal | Domed sapphire with double-sided anti-reflective coating |
| Straps in the set | Black and blue rubber straps |
| Warranty | Two years; free extension to three years with MyOris registration |
Specifications and warranty terms are from Oris’s current US product listing. The strap set includes both colours; compatibility of separately sold Aquis straps with this exact reference is not established by that listing.
How much is the Oris Aquis Pro 1000m?
Oris lists the Aquis Pro 1000m at USD 4,100 on its US regional product page. That is a displayed US list price, not a universal price or guaranteed transaction price; local pricing and availability may differ or change. Oris US listing
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For historical context, the 2025 launch announcement carried by PR Times gave a Japan sale date of October 2025 and a Japanese launch price of ¥627,000. Those are Japan-specific launch details, not a current price quote for another market. The same announcement gives a 55 mm lug-to-lug length, 16.6 mm thickness and 26.3 mm lug width. 2025 Oris launch announcement carried by PR Times
How does the Aquis Pro 1000m compare with the 4000m?
The Aquis Pro 4000m is the closest direct comparison in Oris’s lineup. The table uses the prices and specifications on Oris’s listings; both prices are regional US listings and can change. The 4000m is not simply a universally better watch: it offers a different specification set at a higher listed price.
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| Specification | Aquis Pro 1000m | Aquis Pro 4000m |
|---|---|---|
| US listed price | USD 4,100 | USD 6,900 |
| Stated water resistance | 100 bar (1,000 metres) | 400 bar |
| Movement | Calibre 733-1 | Calibre 400 |
| Power reserve | 41 hours | 120 hours |
| Case diameter | 49.50 mm | 49.5 mm |
| Thickness | 16.6 mm, reported in the 2025 launch announcement | not stated on the cited Oris listing |
| Lug-to-lug | 55 mm, reported in the 2025 launch announcement | 55 mm, as reported by Fratello |
| Case material | Multi-piece titanium, grey plated | Titanium |
Oris’s listings provide the model prices, water-resistance ratings and movements. The 1000m case dimensions are also given in the launch announcement; Fratello reports that the two models share 49.5 mm diameter and 55 mm lug-to-lug, and describes the 1000m as 16.6 mm thick. Oris 1000m listing, Oris Aquis collection and 4000m listing, PR Times launch announcement, Fratello hands-on coverage
The practical decision is whether the 4000m’s stated rating and Calibre 400’s 120-hour reserve matter enough to justify its higher US listed price, or whether the 1000m’s specified rating and lower price better fit your priorities. Neither the rating difference nor the price alone establishes overall quality, and a higher depth rating is not a requirement for ordinary recreational diving.
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Size and wearing context
At 49.50 mm across and 16.6 mm thick, the 1000m has substantial case dimensions on paper. Its 55 mm lug-to-lug measurement is useful context alongside the diameter when assessing fit; the case’s shape and your wrist also matter. Fratello’s hands-on coverage reports the shared 49.5 mm diameter and 55 mm lug-to-lug dimensions for the 1000m and 4000m, with a 16.6 mm profile for the 1000m. These measurements do not substitute for trying the watch on. Fratello hands-on coverage
What the published specifications do—and do not—establish
The figures above are manufacturer specifications or attributed published dimensions, not results of an independent dive, water-resistance or accuracy test. Oris’s rating and movement specification describe what the manufacturer claims for the model; they do not establish how an individual watch performs in use. Prospective buyers who need fit certainty should try it on, and anyone relying on a dive watch should follow appropriate equipment and servicing guidance.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
