Oris Aquis Date Calibre 400

01 400 7769 6357-07 4 22 77FC Oris Aquis Date Caliber 400 watch. Automatic watch, with calendar, water resistant to 300M. Oris manufactured caliber. Steel case, yellow gold rotating bezel, special for men, steel bezel with ceramic minute hands, and anti-reflective sapphire crystal.mechanical joyIn our digital, connected and tactile world, mechanical joy has taken on a new meaning. Whether we observe a Ferris wheel with its machinery visible or the movement of a mechanical watch through the bottom of a case, we take comfort in seeing how things work. At Oris, we are driven by this joy. Because if there's one thing our watches have to do, it's smile. We know that nobody needs a mechanical watch. But the simple pleasure of having one and seeing it work makes life much more enjoyable. Hence the meaning of mechanical joy.