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Apple Device Specs > By Processor > Apple S1 Processor
Update Published July 14, 2026
Every Apple device that uses an Apple S1 processor -- also called an Apple S1 CPU (Central Processing Unit) -- is listed below.
Apple first released Apple Watch models that use the Apple S1 processor in 2015 and continued to sell them until 2016.
Click on a specific model for its complete technical specs, configuration options, material finishes, identification details, global prices, and more.
You also may be interested in All Apple Devices By Processor, which includes Apple devices with other processors. For Macs, see All Macs By Processor Type.
Click the triangle to open "Quick Specs" for basic info. Click the name or image for complete specs, configuration options, identification details, full benchmarks, global prices and more. You also can lookup Macs and Apple devices by specific identifiers.
Asterisks indicate that particularly important details are provided on the applicable specs page. Also note that configurations listed are the default or most common; many models have multiple options. Refer to the specs page for full details.
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