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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Subtract the case size of the timepiece from your wrist measurement
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Enquire about JACOB & CO. EPIC X SPORT AUTOMATIC 41MM WATCH EX130.10.AA.AA.ABRUA
Details
| Vendor | Jacob & Co |
Read more information regarding our Product Disclaimers.
Product Details
The Epic X collection embodies the radical design approach of Jacob & Co. Shifting from tradition, Jacob & Co. reinvented a classic with Epic X Skeleton in 2016. This reinvention revolves around a powerful shape : the X-shape.
Expanding the seminal X concept, Epic X Sport ventures into new territory. The 41-mm case opens a new chapter in the collection's history. It's full dial widens its appeal. The diamond pattern on its surface is a powerful hint at Jacob & Co.'s dual nature, being a high watchmaking and high jewelry brand. Easy to wear on a daily basis, ergonomic and executed in a large number of liveries, Epic X Sport is the ultimate versatile Jacob & Co. timepiece.

























