Where can I find 1st generation Apple Watch bands?

Apple Watch bands are surprisingly cross-compatible across generations, with Apple sticking to two main band width sizes: 38/40/41mm and 42/44/45/49mm. So, rather than every Apple Watch model having its own exclusive set of bands, they’re grouped by case size compatibility.

If the band says 38/40/41mm, it fits any watch in that small-size group. If it says 42/44/45/49mm, it fits any large-size watch, including the Ultra.

So, it will depend on the case size for the 1st generation Apple Watch.

For 38mm, they are the:

• Solo Loop
• Braided Solo Loop
• Sport Band
• Sport Loop
• Milanese Loop
• Leather Link
• Modern Buckle

For 42mm, they are the:

• Solo Loop
• Braided Solo Loop
• Sport Band
• Sport Loop
• Milanese Loop
• Leather Link
• Link Bracelet
• Ocean Band
• Alpine Loop
• Trail Loop

Regardless, you can get them directly from Apple or literally dozens of other sources.

What size is your Apple Watch 1? Doing a search, I see that Apple Watch Series 1 was available in 38 mm and 42 mm sizes. You will want to look for that when you search for watch bands. If your watch is 42, these bands from the Apple Store will fit. I've also found quite a few on Amazon that will for both sizes.

42mm Aquamarine Sport Band - S/M - Apple

42mm Slate Milanese Loop - Apple

42mm Grey/Blue Nike Sport Loop - Apple

There are more in the store.