Frequently Asked Questions
Yes — the Oris Aquis is widely regarded as one of the best-value Swiss dive watches available, offering 300m water resistance, a ceramic bezel and a Swiss-made automatic movement at a price well below comparable divers from larger luxury brands. Its value case is strongest in the in-house Calibre 400 versions, which add a five-day power reserve, anti-magnetic silicon components and a 10-year warranty and service interval. As an independent Swiss maker (founded 1904, based in Hölstein), Oris invests in movement engineering rather than marketing spend — which is why the Aquis consistently outperforms its price point.
The Oris Aquis sits in the premium Swiss segment rather than the high-luxury tier of brands like Rolex or Omega — and that positioning is its core appeal. It delivers genuinely Swiss-made dive-watch credentials and, in Calibre 400 form, an in-house movement that few watches at its price can match. Oris is one of the last fully independent Swiss watchmakers, which keeps pricing honest: you're paying for engineering and finish, not a marketing premium. For buyers who want serious horological substance without high-luxury pricing, the Aquis is one of the most compelling choices on the market.
The most reliable way to guarantee an authentic Oris Aquis is to buy from an authorised retailer — but genuine examples can also be identified by their proprietary screw-bar lug system, crisp ceramic bezel insert, precise date alignment and, on Calibre 400 models, a skeletonised rotor bearing the Oris shield (not a solid red rotor). Counterfeits typically fail on movement detail visible through the caseback, bezel action and the quality of the screw-in crown. Every genuine Oris also carries a serial number and is covered by Oris's warranty when registered. If a price looks too good to be true or the seller can't confirm provenance, treat it with caution — buying from a trusted retailer removes the risk entirely.
The Oris Aquis is powered by one of two automatic movements: the Sellita-based Oris Calibre 733 (around a 38-hour power reserve) across most of the range, or the in-house Oris Calibre 400 (a five-day / 120-hour power reserve) on higher-end models. The Calibre 400 is the standout: it uses anti-magnetic silicon escapement components, runs to an accuracy of −3/+5 seconds per day — meeting chronometer-grade accuracy standards — and comes with a 10-year warranty and 10-year recommended service interval when registered with Oris. Both movements are Swiss-made and fully serviceable; the 400 commands a premium for its longevity and performance.
The Oris Aquis Date is offered in 36.5mm, 39.5mm, 41.5mm and 43.5mm cases, with larger Big Day Date, Depth Gauge and Aquis Pro models above that — and thanks to its sharply downturned integrated lugs, it wears noticeably smaller than its diameter suggests (a 43.5mm sits closer to a traditional 41mm). Standard NATO straps will not fit: the Aquis uses proprietary screw bars and shaped end-links rather than standard spring bars, so straps and bracelets must be Oris-specific. Higher-end and Calibre 400 models add a patented quick-change system that lets you swap between bracelet and rubber strap without tools.