Apple made it incredibly easy to resize bands on your Apple Watch. Anyone can do it on their own, and in only a few minutes. No jeweler or special tools required if if you have an Apple watch link bracelet band.
Below is the another detail video to show you how to resize Apple Watch Bands for third party apple watch metal bands/link bracelet with a tool.
Tips From Apple Offcial Website:
Before you adjust your band, place your Apple Watch face down over a clean surface like a lint-free, micro-fiber cloth or soft, padded mat.
Find your band below to learn how to adjust or fasten it. Please check this link: https://support.apple.com/en-us/HT204512
>> Wonder about change your apple watch bands? Please have a check this tips: how to change apple watch bands
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