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/3_b294c8c1-926b-4496-b980-b8e1c05447a4_60x60.jpg?v=1701148026)
H Buckle Swift Leather Strap - Black
$68.99
38 / 40 / 41mm
- 38 / 40 / 41mm
- 42 / 44 / 45 / 49mm
H Buckle Swift Leather Strap - Black
Easy Installation Guide
How to change your strap