UPDATE. My luxury felt very loose today, and as I looked, the buckle on the strap came undone. Luckily I caught him in time before he fell. I still wear it because it hasn't actually dropped and I'm glad the clasp stayed in place. I had no problems. Sure fits. I don't know about small gaps like others have mentioned because I also use a screen protector that goes around the Fitbit so I can't see if there's a gap. Will order another one in a different color.
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