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 |

Cut out the length chart
Measure your wrist
Subtract the case size of the timepiece from your wrist measurement
-
Be sure to print this guide at 100%
Measure this box to check accuracy


Enquire about Oris Big Crown Pointer Date Automatic 40mm Watch 754 7798 4069
Details
| Vendor | Oris |
| Metal | Stainless Steel |
| Case Diameter |
Product Details
Crafted with precision and timeless style, this Oris 40mm Automatic Watch blends superior craftsmanship with modern functionality. Encased in a multi-piece stainless steel case, it boasts a sleek 40mm diameter with a 12mm thickness, ensuring a perfect balance of durability and comfort.
The vibrant dial, available in yellow, lilac, or blue, adds a touch of individuality, while Super-LumiNova®-filled hands, numerals, and indices ensure excellent readability in all lighting conditions. Protecting the dial is a domed sapphire crystal with an anti-reflective coating on the inside, enhancing clarity and reducing glare.
Turn the watch over to reveal a screwed stainless steel case back with a see-through mineral glass, offering a glimpse of the Oris 754 automatic movement. This robust movement features centre hands for hours, minutes, and seconds, a date display, an instantaneous date function, a fine timing device, and a stop-second mechanism, ensuring accuracy in every moment. With a 41-hour power reserve, this timepiece is always ready to accompany you.
The multi-piece stainless steel bracelet, secured with an Oris-developed folding clasp, ensures both style and security. Measuring 47.50mm lug to lug, it fits comfortably on the wrist, while the stainless steel screw-in security crown adds to its durability.
With a water resistance of 5 bar (50m), this watch is built for everyday adventures, making it a sophisticated companion for any occasion.

































