Apple Watch Ultra 2、Apple Watch Series 10、Apple Watch SE。最新のApple Watchモデルの仕様を比較できます。
2 Scope | Definitions | Restricted Substances in Products | Reportable Substances and Future Restrictions in Products | Notifying Apple of Chemical Phase Ou...
https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf