Every wrist is unique, which is why Apple offers two size options with each model. But which size suits you best? To help you choose the perfect Apple Watch, we’ve included a handy table below to guide your purchase decision.
Apple Watch Sizes for Women
It’s useful to know the available sizes first. We’ll skip older Apple Watch models and focus on the current ones:
- Apple Watch 6: 40mm & 44mm.
- Apple Watch SE: 40mm & 44mm.
- Apple Watch 7: 41mm & 45mm.
The Apple Watch sizes in millimeters refer to the case diameter. For example, the Apple Watch 7 41mm has a screen height of 41mm and a width of 35mm, reducing discomfort during movement (e.g., push-ups where a larger watch might feel cumbersome).
Do You Already Own an Apple Watch?
To determine your current Apple Watch size, check out our earlier post: "Which Apple Watch Size Do I Have?". Based on that, you can select the right size for Apple Watch straps.
Apple Watch Sizes & Wrist Size
Choose the best Apple Watch size based on your wrist circumference:
Wrist Circumference | Watch Case Size |
---|---|
15 - 16 cm | 40mm - 41mm |
17 - 18 cm | 40mm - 41mm |
19 - 20 cm | 44mm - 45mm |
21 - 22 cm | 44mm - 45mm |
23 - 24 cm | 44mm - 45mm |
Apple Watch Thickness
Unfortunately, you can’t influence the thickness of an Apple Watch. All current models (Apple Watch SE, 5, 6, and 7) have a thickness of 10.74mm, regardless of case size.
- Thickness/Depth Apple Watch 5: 10.74mm
- Thickness/Depth Apple Watch 6: 10.74mm
- Thickness/Depth Apple Watch 7: 10.74mm
- Thickness/Depth Apple Watch SE: 10.74mm
Strap Size Makes a Difference!
Many Apple Watch straps come in various lengths, like this silicone sport band. We include exact lengths in the product descriptions. This sport band offers the following sizes:
- 38mm, 40mm & 41mm (S/M): 130 - 190mm (wrist length)
- 38mm, 40mm & 41mm (M/L): 150 - 200mm (wrist length)
- 42mm, 44mm & 45mm (S/M): 140 - 210mm (wrist length)
- 42mm, 44mm & 45mm (M/L): 160 - 210mm (wrist length)
This allows further customization to ensure the perfect fit for women. We recently received a new collection of exclusive Apple Watch straps—check them out!

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