{"slug":"apple-watch-series-12-42mm","brand":"Apple","name":"Apple Watch Series 12 42mm","released":"2026-09-18","rrp_gbp":369,"about":"https://mobileiq.app/phones/apple-watch-series-12-42mm/","claims":[{"attribute":"dimensions_mm","value":"42 x 37 x 9.7 mm","source_type":"manufacturer_declared"},{"attribute":"case_size_mm","value":42,"unit":"mm","source_type":"manufacturer_declared"},{"attribute":"case_shape","value":"rectangular","source_type":"manufacturer_declared"},{"attribute":"weight_g","value":32.2,"unit":"g","source_type":"manufacturer_declared"},{"attribute":"case_material","value":"Aluminium","source_type":"manufacturer_declared"},{"attribute":"water_rating","value":"Water resistance 50m (swimproof) under ISO standard 22810:2010","source_type":"manufacturer_declared"},{"attribute":"display_type","value":"Always-On Retina display with wide-angle OLEDs and LTPO3","source_type":"manufacturer_declared"},{"attribute":"display_area_mm2","value":970,"unit":"mm²","source_type":"manufacturer_declared"},{"attribute":"display_resolution","value":"374 x 446","source_type":"manufacturer_declared"},{"attribute":"display_brightness_nits","value":2000,"unit":"nits","source_type":"manufacturer_declared"},{"attribute":"always_on","value":true,"source_type":"manufacturer_declared"},{"attribute":"os_launch","value":"watchOS 27","source_type":"manufacturer_declared"},{"attribute":"chipset","value":"S11 SiP","source_type":"manufacturer_declared"},{"attribute":"storage_gb","value":64,"unit":"GB","source_type":"manufacturer_declared"},{"attribute":"battery_life_h","value":24,"unit":"h","source_type":"manufacturer_declared"},{"attribute":"charge_to_80_min","value":30,"unit":"min","source_type":"manufacturer_declared"},{"attribute":"charging","value":"Fast-charge capable, Apple Watch Magnetic Fast Charger to USB-C Cable","source_type":"manufacturer_declared"},{"attribute":"sensors","value":"Health Sensing System (third-generation electrical heart sensor, always-on optical heart sensor, blood oxygen sensor, temperature sensor), compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor, depth gauge to 6 metres, water temperature sensor","source_type":"manufacturer_declared"},{"attribute":"ecg","value":true,"source_type":"manufacturer_declared"},{"attribute":"blood_oxygen","value":true,"source_type":"manufacturer_declared"},{"attribute":"skin_temperature","value":true,"source_type":"manufacturer_declared"},{"attribute":"gps","value":"Precision L1 GPS (GPS, GLONASS, Galileo, QZSS and BeiDou)","source_type":"manufacturer_declared"},{"attribute":"cellular_available","value":true,"source_type":"manufacturer_declared"},{"attribute":"uk_esim_networks","value":"EE, Vodafone, Three","source_type":"third_party"},{"attribute":"wifi_standard","value":"Wi-Fi 4 (802.11n)","source_type":"manufacturer_declared"},{"attribute":"bluetooth_version","value":"5.3","source_type":"manufacturer_declared"},{"attribute":"nfc","value":true,"source_type":"manufacturer_declared"},{"attribute":"phone_compatibility","value":"iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later","source_type":"manufacturer_declared"},{"attribute":"compatibility_class","value":"iphone-only","source_type":"manufacturer_declared"}]}