Size Guide
Choosing the perfect ring size is an essential part of the Hardy Brothers experience.
Our guide below will help you find the most accurate fit, ensuring comfort, elegance, and a seamless expression of luxury.
| Australian Size | Inside Circumference (mm) |
|---|---|
| H | 46.0 |
| H ½ | 46.6 |
| I | 47.2 |
| I ½ | 47.9 |
| J | 48.3 |
| J ½ | 49.3 |
| K | 49.6 |
| K ½ | 50.3 |
| L | 50.5 |
| L ½ | 51.5 |
| M | 51.8 |
| M ½ | 52.5 |
| N | 53.1 |
| N ½ | 53.8 |
| O | 54.5 |
| O ½ | 54.8 |
| P | 55.7 |
| P ½ | 56.4 |
| Q | 57.1 |
| Q ½ | 57.6 |
| R | 58.4 |
| R ½ | 59.1 |
For the most precise fit, we invite you to visit a Hardy Brothers boutique where our specialists will personally measure your finger and ensure your chosen piece is crafted to perfection.

Hardy Brothers uses standard Australian ring sizes.
| Australian Size | Inside Circumference(mm) |
| M 1/2 | 55.7 |
| N | 57.0 |
| N 1/2 | 58.3 |
| O | 59.6 |
| O 1/2 | 60.9 |
| P | 62.2 |
| P 1/2 | 63.5 |

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Enquire about Oris Aquis Dat Watt Limited Edition II
Details
| Vendor | Oris |
| Metal | Stainless Steel |
| Case Diameter |
Product Details
Introducing the Oris Aquis 43.50mm Automatic Watch Dat Watt Limited Edition II, model 743 7734 4197-SET – a fusion of unparalleled performance, oceanic exploration, and sustainable innovation. Dive into the world of horology where precision meets purpose, and embark on a journey that resonates with both adventure and ecological consciousness.
Engineered to meet the rigorous demands of diving professionals and watch enthusiasts alike, this limited-edition timepiece marries high-caliber craftsmanship with a commitment to eco-friendly horology. The robust 43.50mm stainless steel case is a testament to durability and functionality, delivering both robustness and elegance in equal measure. Its substantial size guarantees optimal legibility underwater, while its intricate details pay homage to the majestic world beneath the waves.
At the heart of this extraordinary watch lies a formidable automatic movement that not only ensures precision timekeeping but also embodies the ethos of sustainable timekeeping. The Oris Calibre 743 movement stands as a symbol of the brand's dedication to responsible watchmaking, showcasing the delicate interplay between cutting-edge technology and environmental harmony.



































