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 Baume & Mercier Classima Automatic 40mm Watch M0A10214
Details
| Vendor | Baume et Mercier |
| Metal | Stainless Steel |
| Case Diameter |
Product Details
This Baume et Mercier Classima automatic watch for men hints at the unique character of the wearer. An opaline, silver-coloured dial, masculine line guilloché design, and blue hour, minute and second hands offer just the right amount of edge.
The chocolate brown alligator strap and classic round 40 mm steel case enhance the luxury feel, making this Baume et Mercier Classima an ideal timepiece for the modern professional.
Combining authentic watchmaking expertise and simple timeless design, the Classima collection remains faithful to its original vocation for classic, discreet elegance. Featuring a variety of dials including some with the iconic lined guilloché pattern, these watches combine understated perfection with technical prowess. Baume et Mercier Classima is the perfect collection for those who appreciate a timeless watch with elegant and subtle design codes.
































