Automatic Calibre 400 Movement
The 400-series automatic movement provides self-winding operation with a 5-day power reserve.
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Updated 4 months ago
Modern dive watch with 400-series automatic movement, high anti-magnetism, and extended power reserve.

The 400-series automatic movement provides self-winding operation with a 5-day power reserve.
The watch is rated for 300 m water resistance and features an extendable clasp for practical dive-watch wear.
A multi-piece stainless steel case, ceramic minutes-scale top ring, sapphire crystal, and stainless steel band define its robust construction.
The Oris Aquis Date Calibre 400 01 400 7769 4154 is a modern men's automatic dive watch with an analog display, date function, 41.5 mm multi-piece stainless steel case with ceramic minutes-scale top ring, sapphire crystal, stainless steel band, 300 m water resistance, and a 5-day power reserve.
The reviewer considers the Aquis Date Calibre 400 a winning, value-laden package that successfully pushes Oris upmarket, noting the impressive 5-day power reserve, anti-magnetic performance, and industry-leading 10-year warranty as standout features.
The review describes the watch as a beautifully renewed masterpiece, praising its robust in-house movement, excellent accuracy, long power reserve, and the practical value provided by the 10-year warranty.
The review concludes that the Calibre 400 movement elevates the Aquis to a new level, highlighting the extraordinary 5-day power reserve, high anti-magnetism, and the exceptional peace of mind offered by the 10-year warranty.
The reviewer identifies this watch as the definitive version of the Aquis to own, citing the combination of the new in-house movement's performance features—specifically the 5-day power reserve and anti-magnetism—and the 10-year warranty as key justifications for the price.
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| Attribute | Specification | Notes |
|---|---|---|
| Band Material | stainless steel | |
| Band Width | 22 mm | mm |
| Battery Life | 5 days | days |
| Case Diameter | 41.5 mm | mm |
| Case Material | multi-piece stainless steel (ceramic minutes scale top ring) | |
| Case Thickness | 13.5 mm | mm |
| Clasp Type | extendable clasp | |
| Crystal Material | sapphire crystal | |
| Display Type | analog | |
| Features | date | |
| Gender Target | men | |
| Movement Type | automatic | |
| Power Source | automatic | |
| Water Resistance | 300 m | m |

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