For Apple Watch Series 9 45mm. For Apple Watch Series 8 45mm. For Apple Watch Series 7 45mm. 【Co mpatible Model】The product is suitable for Apple Watch 44/45mm series, compatible with Series 9 / Series 8 / SE / Series 7 / Series 6 / Series 5 / Series 4 retrofit and upgrade, the length of the strap can be easily adjusted in size.
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