Remove your Apple Watch and flip it to view the underside.
On the top or top right area, you'll find the size of your Apple Watch displayed in millimeters (mm).
![](https://cdn.shopify.com/s/files/1/0670/4709/6560/files/appleSizeGuide.jpg?v=1700645256)
![](http://hellostrap.com/cdn/shop/files/5_b1c4c2d6-1495-4f31-aecd-d82898fc7c91_60x60.jpg?v=1701147228)
Contrast Magnetic Band - Light & Deep Navy
$45.00
38 / 40 / 41mm
- 38 / 40 / 41mm
- 42 / 44 / 45 / 49mm
Contrast Magnetic Band - Light & Deep Navy
Easy Installation Guide
How to change your strap