For context, the latest version of the ISO 764 standard for anti-magnetic watches requires that to qualify as anti-magnetic, a watch must be accurate to within 30 seconds a day after exposure to 200 gauss. In testing by the renowned Laboratoire Dubois, Calibre 400 deviated by less than 10 seconds a day after exposure to 2,250 gauss. To make it highly anti-magnetic, Oris engineered Calibre 400 using more than 30 non-ferrous and anti-magnetic components, including a silicon escape wheel and a silicon anchor. When this happens, they become less accurate, and can stop altogether. Most Swiss watch movements will be magnetised if exposed to strong magnetic forces.
This means that barring accidental damage or water-resistance checks, a Calibre 400 watch won’t need servicing until 2030 at the earliest.
In addition, Oris is also proposing 10-year recommended service intervals on Calibre 400 watches. Oris is so confident in the performance of the advanced technologies integrated into Calibre 400 that we are offering a 10-year warranty on all Oris watches powered by the new movement once registered with MyOris. 10-year warranty and recommended service intervals This is much less complex, highly efficient, and involves far less wear and tear, making it less prone to breakdowns. So we removed the ball bearing altogether and replaced it with a low-friction slide bearing system, in which a metal stud runs through a lubricated sleeve. This is a critical element of an automatic watch – as the rotor spins, it generates power that’s stored in the mainspring, which is housed in the barrel. One of Oris’s fundamental ambitions with Calibre 400 was to eliminate problems before they occur. Oris’s engineers identified that one of the most frequent issues with automatic mechanical movements concerns the ball-bearing system that allows the free-spinning oscillating weight (or rotor) to rotate. It delivers this longer period of use via twin barrels, both of which house an extended mainspring, each long enough to store two-and-a-half days of power. Calibre 400 has a five-day power reserve, so it’ll still be running if it’s not been worn between, say, Thursday and Tuesday. When a standard mechanical watch is laid down for a day or two, it will stop as the power reserve runs down. Conceived entirely in-house by the independent Swiss watch company’s skilled engineers, it has a five-day power reserve, elevated levels of anti-magnetism, and comes with a 10-year warranty and 10-year recommended service intervals. Here’s how it works. Oris Calibre 400 sets The New Standard in mechanical watchmaking. The new watch becomes one of the highest spec Swiss Made mechanical diver’s watches ever produced. Oris’s independence creates the freedom to develop and engineer high-performance movements and devices such as thoseįound on the AquisPro Date Calibre 400.
ORIS CALIBRE 400 ISSUES PROFESSIONAL
Innovations such as these have made the AquisPro a long-standing favorite with professional divers. The rubber strap also features the Oris Safety Anchor, developed by Oris so that in the event the clasp is released unintentionally, two hooks grab the strap so the watch stays attached to the wearer’s wrist. The patented Oris Sliding Sledge Clasp can be adjusted to very fine tolerances without taking the watch off, so that when getting in or out of even the thickest wetsuit, you can loosen or tighten the strap hassle-free. Titanium is also used for the rubber strap’s folding clasp, where you’ll find two more exclusive Oris innovations.
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