ProPilot X Caliber 400

By Oris
Reference: 400 7778 7153 7 20 01 TLC

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Case: titanium
Size: 39mm
Dial: grey
Hands: luminous hands and markers
Movement: automatic-winding caliber 400
Function: date
Power Reserve: approximately 120 hours
Water Resistance: 100m
Caseback: sapphire crystal
Strap/Bracelet: titanium
Factory Warranty: 10 years


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 the angle.

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.

And then there’s the view from the other side. The watch’s titanium caseback and open sapphire crystal frame Oris Caliber 400, Oris' 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.