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
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Be sure to print this guide at 100%
Measure this box to check accuracy


Enquire about WOLF Atlas 12 Piece Winder Safe
Details
| Vendor | Wolf 1834 |
Product Details
The ultimate in security for your watches, jewelry & valuables. Forged in American steel, UL tested and certified for burglary & fire, the Atlas is an impenetrable fortress. Painted steel polished to a mirror finish, drawers lined with LusterLoc™ treated fabrics that stop tarnishing for 35 years. Watch winders are controlled by WOLF’s Bluetooth connected App. Control one or all winders at the same time.
Size:
22" L X 24" W X 40" H
Weight: 730 lbs / 331 kg
Bluetooth user-controlled app: Apple & Android
Rotation options: WOLF app controls setting Turns per Day (TPD) for timepieces(s) ranging from 1 – 1,999 turns per day (TPD)
Directional settings: Clockwise, counter-clockwise, bi-directional
Start delay: Users program up to 255-hour delay before first winding cycle – accommodating recently worn timepiece or power reserve.
Additional storage: 3 Lusterloc™ lined, pull-out drawers house 5 additional watches, jewelry and accessory storage. 1 watch drawer, 1 jewelry drawer and 1 open drawer .
Exterior/Interior: Onyx or Titanium high gloss exterior, chrome trim, WOLF’s LusterLoc™ treated ultrasuede interior.
UL certified independent testing verifies:
Fire resistance for up to 120 minutes, tested at 1,700°F (927°C), then dropped from 30 feet. The interior temperature during fire test remains below 350°F (177°C), (paper burns at 450°F (232°C), your documents remain safe.
Water Resistance: Interior of safe door is sealed with Palusol® fire seal - expands 8 times the original size, sealing the door.































