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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Enquire about Bremont Terra Nova Jumping Hour Aventurine 38mm Limited Edition Watch TN40-JH-FS-BLAV-L-S
Details
| Vendor | Bremont |
| Metal | Stainless Steel |
| Case Diameter |
Product Details
Limited to just 50 pieces worldwide, this exclusive edition pairs a deep blue Aventurine dial with a delicately frosted 904L stainless steel case, creating a striking interplay of shimmer, depth and refined geometry. The cushion-shaped 40.5mm profile maintains the Terra Nova’s contemporary field watch proportions, while the frosted finish introduces a unique lustre, catching the light with countless subtle facets across the case surface.
Cut and polished using diamond tools, each Aventurine dial reveals constellations of sparkle beneath its rich midnight tone. Two clean, offset apertures display the hour and minute indications, offering the Jumping Hour’s signature left-to-right flow and allowing the brilliance of the dial to remain centre stage. White Super-LumiNova® accents, a silver minute track and a full-luminous central seconds hand ensure clarity and presence in all lighting conditions.
At its heart lies the exclusive BC634 calibre, developed with Sellita under a dedicated partnership. This high-torque movement delivers an instantaneous hour jump—executed in under one tenth of a second, bringing precision, drama and mechanical purity to the display. With a 56-hour power reserve and crisp running seconds, it balances technical ingenuity with everyday reliability.
Finished on a quick-release blue gradient leather strap, the Terra Nova Jumping Hour Aventurine is a sophisticated, contemporary expression of a rare complication. Crafted for the discerning collector, it combines mechanical innovation with the quiet luxury of fine materials and limited production, an elegant statement within the Terra Nova collection.
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