Black Unity. Genuine Apple Watch Sport Band 44/45/46/mm S/M. Never Bought a Genuine Apple Watch band before?. Fits Apple Watch Series 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 / SE / SE 2. The underside of the strap with the pin is marked with the watch case size (38/40/41 mm or 42/44/45 mm) in a circle near the lugs.
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