The Joia by Baume & Mercier 10849 is distinctive for its round dial in 4N PVD polished steel, which joins the collection in a 28-mm format. Its crown, set with a black agate, and its solid case back in polished 4N PVD steel complete the understated look. Its silvery sunburst dial showcases Roman numerals and black transfer leaf hands. Powered by a quartz movement (Ronda 751), it offers a 5-year autonomy and is water-resistant to 5 ATM. The black calfskin strap is interchangeable without the use of tools thanks to a very reliable system.
Origin: Switzerland
Water Resistance: 50m
Movement Type: Quartz
Watch Function: Time,
Case Shape: Round
Case Size: 28mm
Case Thickness: 7.2mm
Case Material: Gilded PVD Stainless Steel
Case back: Full case back, with screw
Dial Colour & Finish: Silvery, Stamped, Sunray
Strap Material: Calfskin
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Measure your ring size at home in minutes with our printable ring sizer and conversion chart.
How to measure your ring size
A good fit is snug enough to stay put, loose enough to slide over your knuckle. Print our ring sizer on A4 paper at 100% scale (no "fit to page") and check the 5cm line with a ruler, then choose a method below.
Download printable ring sizerUse a ring you already own
Easiest if you have a ring that fits the finger you're shopping for.
- Place your ring over the printed circles, starting with the smallest.
- Stop when the circle's outline sits just inside the ring's inner edge.
- That circle is your size.
Use the ring sizer strip
No ring to measure? The paper strip works just as well.
- Cut out the strip along the dashed line, then cut the slit.
- Wrap it around the base of your finger, printed side out.
- Feed the narrow end through the slit until it feels snug.
- Read the size where the strip meets the slit.
Between sizes? Choose the larger size.
Best time to measure: at the end of the day, when fingers are warm. Cold fingers read smaller.
Wide band? Bands 6mm and wider fit tighter, so consider going up half a size.
Ring size conversion chart
| AU / UK | US | EU | Inner diameter | Circumference |
|---|---|---|---|---|
| I | 4½ | 48 | 15.3mm | 48.0mm |
| J | 5 | 49 | 15.7mm | 49.3mm |
| K | 5½ | 50 | 16.1mm | 50.6mm |
| L | 6 | 52 | 16.5mm | 51.9mm |
| M | 6½ | 53 | 16.9mm | 53.1mm |
| N | 7 | 54 | 17.3mm | 54.4mm |
| O | 7½ | 56 | 17.7mm | 55.7mm |
| P | 8 | 57 | 18.1mm | 57.0mm |
| Q | 8½ | 58 | 18.5mm | 58.3mm |
| R | 9 | 60 | 18.9mm | 59.5mm |
| S | 9½ | 61 | 19.4mm | 60.8mm |
| T | 10 | 62 | 19.8mm | 62.1mm |
| U | 10½ | 63 | 20.2mm | 63.4mm |
| V | 11 | 65 | 20.6mm | 64.6mm |
The most common women's ring sizes in Australia are N–P (EU 54–57). Sizing can vary slightly between brands, so check the size details on each product page.
Still not sure?
Our team is happy to help you find the right fit. Contact us or read our FAQs. If something doesn't fit, you're covered by our 30-day returns.
SKU: M0A10849
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