Apple W2

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<div style="font: bold 2em/1.2 -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: var(--wiki-color);">Apple W2</div>
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! class="ios-lab" | Designer
| class="ios-val" | [[Apple]]
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! class="ios-lab" | Introduced
| class="ios-val" | September 2017 (Apple Watch Series 3)
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! class="ios-lab" | Role
| class="ios-val" | Wi-Fi and Bluetooth — integrated into the [[Apple S3]] SiP
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! class="ios-lab" | Devices
| class="ios-val" | Apple Watch Series 3
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! class="ios-lab" | Predecessor
| class="ios-val" | [[Apple W1]]
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! class="ios-lab" | Successor
| class="ios-val" | [[Apple W3]]
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The Apple W2 moved the W series onto the wrist, built directly into the [[Apple S3]] System in Package rather than shipped as a discrete chip. Apple credited it with 85 percent faster Wi-Fi and half the Bluetooth power draw — headroom the Series 3 spent on its defining feature, the first LTE Apple Watch.

= Legacy =

The W2 set the integration pattern: from here the Watch's wireless silicon lived inside the SiP, invisible in teardowns and inseparable from the S chip it served. One generation later the [[Apple W3]] made the arrangement standard.