Are titanium strap for Apple Watch nickel-free?

Wearing your Apple Watch – Apple Support

"Nickel. Apple Watch models with a stainless steel or aluminium case, the stainless steel band release buttons of Apple Watch Series 4 and later and Apple Watch SE, the stainless steel portions of some Apple Watch bands, the metallic portions of the Hermès bands and the magnets in the watch and bands all contain some nickel. However, it falls below the strict nickel restrictions set by the European REACH regulation. Therefore, while nickel exposure is unlikely to be a problem, you should be aware of the possibility in case you're susceptible to nickel-related reactions."

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Apple Watch Bands safe from toxic chemica… - Apple Community