How to know your Apple Watch model and size

Your Apple Watch's series and size are printed on the back of the watch.


apple watch sizing guide

Apple Watch Band Sizes Are Based on Case Size — Not on the Series 

Apple organizes bands by cage size — e.g.: 38mm, 40mm, 41mm, 42mm, 44mm, 45mm, 49mm

What is the difference between the sizes? (38-41 mm and 42-49 mm)

It refers to the size of the Apple Watch's casing or face. Apple Watch models come in different sizes, typically indicated by the diameter of the Apple Watch's casing. The most common sizes are 38 mm, 40 mm, 42 mm, 44 mm, 45 mm, and 49 mm although some older models might have slightly different sizes.

The difference between the  sizes (38-41 mm and 42-49 mm) corresponds to the compatible sizes of the Apple Watch cases. For instance:

Size 38-41 mm — small

This size range typically refers to Apple Watch models with a smaller casing. These watches are suitable for people with smaller wrists or those who prefer a more compact design.

Size 42-49 mm — large

This size range likely corresponds to Apple Watch models with a larger casing. These watches provide a bigger screen and are often preferred by individuals with larger wrists or those who prefer a larger display.

🔄 Changing and Fastening Your Apple Watch Band

To change your Apple Watch band:

  1. Remove the current band:

    • Hold down the band release button on your Apple Watch.

    • Slide the band across to remove it.

  2. Attach the new band:

    • Slide the new band in until you feel and hear a click.

    • Ensure the text on the band is facing you, and the band is not upside down.

For optimal performance, your Apple Watch should fit closely on your wrist. Wearing your Apple Watch with the right fit, not too tight, not too loose, and with room for your skin to breathe, keeps you comfortable and lets the sensors do their job.

how to change your Apple watch band

🛍️ Shopping for Apple Watch Bands

When selecting a new band:

  • Identify your Apple Watch case size: Check the engraving on the back of your watch or refer to the model specifications.

  • Choose the correct band size: Select a band that matches your watch's case size category (small, large).

  • Consider your wrist size and comfort: Ensure the band's length and material suit your wrist for daily wear.

💡 Need a New Band?

Once you know your Apple Watch size, you can explore our collection of handcrafted Apple Watch bands with beads each one designed with care to fit perfectly, no matter your watch model.

Browse now and find a piece that fits both your wrist and your vibe ➤ 

Apple watch bands With Beads

Our Best Selling Apple watch bands

Serenity Apple Watch Band With Amazonite Beads:

Soft blush tones with a touch of elegance. Fits 38mm–45mm Apple Watches.
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Apple watch band with beads

Apple Watch Band With Beads Stretchable Dark Blue


Grounded and bold — this one’s perfect for everyday strength.
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Apple Watch Band  With Beads Stretchable Dark Blue

Jade Apple Watch Band Stretchable

Soothing green tones, calming and confident.
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Jade Beaded Apple watch band stretchable

Labradorite Beaded Apple Watch Band 


Soothing gray-green tones, grounded and quietly empowering.
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Now that you know all about your size, let’s find the perfect match. This guide can help you pick a band that fits your style and your vibe.