Is Apple Watch Series 1 compatible with iPhone 16?

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Level 1

8 points

Hi can anyone tell me if Apple Watch Series 1 is compatible with iPhone 16. Nothing wrong with watch so don’t want to buy new one if not needed

iPhone 15, iOS 26

Posted on Jan 7, 2026 10:08 AM

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Answer 1

Community+ 2026

Level 10

744,375 points

Yes; if you get told to update the watch's OS, you may need to go to a physical Apple Store.

(262411)

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Answer 2

Level 10

103,822 points

Theoretically yes, if you reset the watch completely and pair as New Watch.

However in practice you have a 10 year technology gap, and I remember people struggling even to pair iphone 12 with the totally obsolete Watch 1.

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