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 Baume & Mercier Riviera Automatic Chronograph 41mm Watch M0A10828
Details
| Vendor | Baume et Mercier |
| Metal | Stainless Steel |
| Case Diameter |
Product Details
The Riviera chronograph Flyback 10828, limited to 73 pieces, celebrates the collection's launch year of 1973 in a 41mm format. Its polished and satin-finished stainless steel dodecagonal case, protected by a scratch-resistant sapphire crystal, houses a luminous vertical brushed gilded dial with vintage appeal. The dial features chronograph, telemeter, and tachymeter counters, Roman numerals, and rhodium-plated indexes with beige Superluminova. It is equipped with a self-winding movement with flyback function, a 42-hour power reserve and a water resistance to 10 ATM. The interchangeable stainless-steel bracelet features a reliable system for tool-free changes.































