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 |

This timepiece sizing guide is the combined length of the two straps. To determine the length of your watch band, follow the below.
-
Cut out the length chart
Cut out the length chart
-
Measure your wrist
Measure your wrist
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Subtract the case size of the timepiece from your wrist measurement
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 Breitling Navitimer Automatic GMT 41mm Watch A32310211G1P1
Details
| Vendor | Breitling |
| Metal | Stainless Steel |
| Case Diameter |
Product Details
Breitling’s most versatile Navitimer—for the journey. The Navitimer is one of the most recognizable watches ever made. It’s on collectors’ lists of the greatest watches of all time. What began in 1952 as a tool for pilots has gone on to mean something profound to every single person who has had this timepiece along on their personal journey. The Navitimer Automatic and Automatic GMT 41 distill the iconic look, omitting the chronograph yet preserving a balanced dial composition. The central placement of the 24-hour scale on the GMT and the Automatic’s clean face, ensure the intricate slide rule stands out while streamlining the overall aesthetics.

























