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. ASTRONOMIA SOLAR CONSTELLATIONS 45.5MM WATCH AS300.40.AA.AE.ABALA
Details
| Vendor | Jacob & Co |
| Metal | 18ct Rose Gold |
Read more information regarding our Product Disclaimers.
Product Details
The Astronomia Solar Constellations case is designed like an astronomer's observatory. A vast sapphire dome on top and a streamlined gold frame surround a single-block, full sapphire caseband. Their transparency offers a galaxy-wide view, with wrist-friendly-sized dimensions.
A vibrant sun sits at the top of the movement, giving the collection its name. The rotating satellite holds three more planets. All four symbolic stellar bodies are made from Jacob-cut, 288-facet gems of intense color, showcasing the unique Jacob & Co. signature shape. The zodiac constellations are engraved on the blued titanium base underneath it all, along with seven planets made of a selection of hard stone cabochons : white granite for Mercury, rhodonite for Venus, red jasper for Mars, pietersite for Jupiter, tiger eye for Saturn (18K Rose Gold applique for the rings), blue calcite for Uranus and lapis for Neptune.
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