Oris Upgrades the ProPilot with Its Next Generation Caliber 400

The joy of mechanics comes to the fore in the new Oris ProPilot X Caliber 400, a titanium-cased watch inspired by more than a century of aviation heritage and powered by the brand’s five-day automatic.

When you love mechanical watches, do you begin your critique of a new piece looking at the case front or back? The new ProPilot X Caliber 400 is designed to inspire joy no matter what angle you come at it from.

The dial-side is defined first by its 39mm titanium case. The taut, angular lines of the aviation-inspired form are satin and sand-blasted, giving the watch its raw, technical look, and complemented by the familiar ProPilot bezel and a muscular, sculpted titanium bracelet. The oversized crown is also titanium and flanked by protectors.

Beyond, the launch collection offers a choice of three dial colors: grey, blue and salmon. This is a fresh, expressive palette, chosen to augment the case’s dynamic proportions – and to bring life and color to your wrist.

And then there’s the view from the other side. The watch’s titanium caseback and open sapphire crystal frame Oris Caliber 400, the company’s in-house five-day automatic.

As with all Caliber 400 Series movements, it’s accurate to -3 to +5 seconds a day, within chronometer certification standards, even after it’s been exposed to the sort of magnetic fields we’re surrounded by every day. This base caliber version has a sweep central seconds hand and a date at 6 o’clock.

All Caliber 400 Series watches carry 10-year warranties and 10-year recommended service intervals, and that applies to the ProPilot X Caliber 400, too. Caliber 400 Series movements have more than 30 non-ferrous and anti-magnetic parts and were developed to minimize friction and wear-and-tear – the winding rotor uses a slide bearing system, for example – so that we can confidently give the watches their class-leading warranties.

The ProPilot X Caliber 400 follows in a long line of Oris pilot’s watches going back to the early 1900s, but its power lies beyond its associations: it’s a mechanical joy machine.

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