Oris
Aquis Date 43.5
01 733 7730 4135
A serious diver's tool dressed in deep-ocean blue.
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Overview
The Oris Aquis Date 43.5 (ref. 01 733 7730 4135) is a mid-sized sport diver combining a 43.5 mm stainless steel case with a striking blue gradient dial. It sits at the heart of the long-running Aquis collection, Oris's dedicated dive-watch line, balancing robust tool-watch credentials with everyday wearability. Luminous markers ensure legibility in low-light and underwater conditions.
History
Oris introduced this reference around 2017 as part of the mature Aquis lineup, which had already established itself as the brand's flagship dive series. The Aquis line traces its roots to Oris's commitment to producing serious, Swiss-made sport watches at an accessible price point within the mechanical watch segment. This particular reference has remained in continuous production, reflecting steady collector and enthusiast demand for a well-proportioned, reliably equipped diver. Its longevity in the catalogue underscores the Aquis Date's role as a cornerstone of the modern Oris range.
Notable points
- Powered by the Oris Cal. 733, a regulated version of the Sellita SW200-1 automatic movement, offering a proven and serviceable workhorse calibre.
- The 43.5 mm case diameter occupies a practical middle ground — substantial enough for sport use yet more versatile on the wrist than larger 45 mm+ dive watches.
- A blue gradient dial shifts in depth and tone depending on lighting, giving the watch a distinctly oceanic character that aligns with its diving heritage.
- Applied luminous hour markers and hands provide reliable low-light legibility, a functional requirement for any credible dive instrument.
- The stainless steel case and integrated or closely matched bracelet/strap system reflect Oris's emphasis on durability and long-term wearability.
Specifications
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