Using silicon for the anchor and escape wheel, along with non-ferrous material for the axes, escape wheel and anchor, the impact of magnetic fields on the movement was reduced by more than 90%.

To extend the autonomy of the watch, Calibre 400 is fitted with twin barrels and the rotor is placed on a more reliable, low-friction, slide-bearing system that only winds in one direction. The directives for the new calibre were to increase power reserve, counter the magnetism encountered in everyday situations, and produce a ‘new standard’ in durable automatic movements that could boast a 10-year warranty. Developed entirely in-house by COO Beat Fischli and his team, it is produced by a network of suppliers with state-of-the-art industrial techniques. Like the powerful 10-day, hand-wound Calibre 110, conceived in-house by Oris and used in its high-end models, the Oris Calibre 400 is a proprietary manufacture movement. To keep its competitive prices, Oris conceives and develops its movements in-house, but leaves the production to specialised third-party Swiss manufactures.

Oris is a pragmatic brand offering resilient, purpose-built dive, pilot and sports watches that get the job done in style without breaking the bank. Apart from its muscular movement, there are a couple of upgrades that position this Aquis Date Calibre 400 in a league of its own. The largest 43.5mm Aquis Date model has been singled out as the first watch to carry Oris’s new automatic movement. The Aquis Date is respected as a top-quality, high-performance dive watch with a versatile, contemporary design. Today Oris reveals the proud bearer of its new movement: the Oris Aquis Date Calibre 400. A couple of weeks ago, we covered the launch of the new Oris Calibre 400, a powerful automatic movement with a five-day power reserve, anti-magnetic components and a 10-year warranty.

Oris calibre 400 movement