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 Breitling Super Chronomat B01 44mm Watch PB0136251C1S1
Details
| Vendor | Breitling |
| Metal | Stainless Steel |
Read more information regarding our Product Disclaimers.
Product Details
Breitling’s supercharged watch for your every pursuit. Inspired by the original 1980s timepiece that Breitling created for the hotshot Frecce Tricolori aerobatic squadron, the Breitling Super Chronomat is the boldest in the Chronomat watch family.
The Breitling Super Chronomat comes in several colour and metal variations (stainless steel, 18k red gold and platinum) and features ceramic inserts on the bezel, chronograph pushers and crown. Select from either the iconic metal Rouleaux bracelet or a rubber Rouleaux-inspired strap, matched with a folding clasp. The Super Chronomat B01 44 is powered by the Breitling Manufacture Calibre 01, a COSC-certified chronometer.































