Remove the old band by pressing the band release button
The band release button is a small, recessed button on the back of your Apple Watch case, just above where the band connects. Hold your watch face-up in one hand. With your other hand, press and hold that button firmly — you may need to use your fingernail or a thin object to reach it. While holding the button, slide the band away from the watch case. The band will come free.
If the button feels stuck, do not force it. Dirt or debris sometimes lodges in the slot. Rinse the area gently under warm water, dry it completely, and try again. The button should give way with steady pressure, not a sudden jab.
Key Takeaways
- The band release button sits on the back of the watch case just above where the band attaches, and you press it while sliding the band away.
- Both the old and new bands must match your watch size — 38mm/40mm/41mm bands do not fit 42mm/44mm/45mm watches.
- Insert the new band at a slight angle, then press down until you hear or feel a click, which means the band is locked in place.
- You can change bands in under a minute once you know where the release button is and how much pressure it needs.
Check your watch size before buying a replacement band
Apple Watch bands are not universal. Your watch case size determines which bands fit. The sizes are 38mm, 40mm, 41mm, 42mm, 44mm, and 45mm. A band made for a 40mm watch will not attach to a 42mm watch, even though the difference sounds small.
Find your watch size by opening the Apple Watch app on your iPhone, tapping the My Watch tab, then going to About. The size is listed there. Write it down or take a screenshot before you shop for a new band. Many online retailers and stores do not make this obvious, so knowing your size beforehand saves time.
Slide the new band into the slot at a slight angle
Hold your watch with the back facing you. Take the new band and position it so the connector end (the part with the metal or plastic peg) points toward the slot. Tilt the band at roughly a 45-degree angle and slide it into the slot. You should feel it start to seat as you push.
Once the band is partway in, press down firmly on the outer end of the band until you hear a click or feel a solid resistance. That click means the band is locked. If you do not hear or feel anything, the band may not be fully seated. Remove it and try again, making sure the connector is aligned with the slot.
Test the band by gently tugging it
After the band clicks into place, hold the watch in one hand and gently pull on the band with the other. A properly seated band should not move or slide out. If it comes free easily, remove it and reinsert it. The connection should feel solid and permanent until you press the release button again.
This test takes five seconds and prevents the band from falling off during the day. It is the only way to confirm the connection is secure before you start wearing the watch.
Understand which band types fit your watch model
Apple Watch bands come in different connector types depending on your watch model and year. Older watches (Series 3 and earlier) use one type of connector. Newer watches (Series 4 and later) use a different one. The connector on the band must match the slot on your watch case, or the band will not fit at all.
When you buy a replacement band, the product description or packaging will specify which watch models it works with. If you are unsure, check the Apple Watch app on your iPhone under About, which lists your exact model. You can also visit an Apple Store and bring your watch — staff can confirm compatibility in seconds.
Know where to buy replacement bands
Apple sells official bands through its website and retail stores, ranging from basic sport bands to leather and metal options. Third-party manufacturers like Nomad, Casetify, and Spigen also make bands that work with Apple Watch. These are usually cheaper than official Apple bands and come in more styles.
Before buying from a third-party seller, check the reviews and confirm the band is listed as compatible with your specific watch size and model. Counterfeit bands exist online, so buy from established retailers or the manufacturer's own website when possible. A legitimate band should cost between $15 and $100 depending on material and brand.
Frequently Asked Questions
What if the band release button is hard to press?
The button may be stuck from dirt or dried sweat. Rinse the back of your watch under warm running water, dry it completely with a soft cloth, and wait a few minutes. Try again with steady, firm pressure — do not jab or force it. If it remains stuck after cleaning, contact Apple Support.
Can I use a band from a different brand on my Apple Watch?
Yes, as long as the band is made for your watch size and model. Many third-party bands work perfectly and cost less than Apple's official options. Always check the product description to confirm compatibility before buying.
Will changing the band damage my watch?
No. The band release mechanism is designed to be used repeatedly. You can change bands as often as you want without harming the watch. The connection is durable and will not wear out from normal use.
What if I lose the old band after I remove it?
You can buy a replacement band from Apple or a third-party seller. Keep the old band in a drawer or bag if you plan to wear it again later. If you no longer need it, you can sell it online or donate it.