Genuine Apple Watch Sport Band 42/44/45/49mm M/L. Apple Watch Ultra (49mm). Never Bought a Genuine Apple Watch band before?. Fits Apple Watch Series 3 / 4 / 5 / 6 / 7 / 8 / SE / SE 2 / Ultra. 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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