Apple Watch Series 7 OLED 41 mm Digital Touchscreen 4G Gold Wi Fi GPS (satellite) Laptops Style meets utility Style meets utility 000 mAh battery with fast charging Display Watch glass type Sapphire Rounded display corners Yes Always on display Yes Pixel density 1000 ppi Display technology OLED Touchscreen Yes Display type Digital Performance Wireless chipset W3 64 bit computing Yes Processor cores 2 Processor model S7 Processor manufacturer Apple Flash memory 32 GB Operating system installed watchOS 8 Mobile operating systems supported iOS FM radio No Built in camera No Built in speaker(s) Yes Built in microphone Yes Design Waterproof up to 50 m Protection features Waterproof International Protection (IP) code IP6X Removable strap Yes Magnetic charging connector Yes Shape Rectangular Band colour Bordeaux Watch case material Stainless steel Watch case colour Gold Watch case size 41 mm Market positioning Smartwatch Features Altimeter Yes Ambient light sensor Yes E mail Yes Virtual assistant Apple Siri Haptic feedback Yes Electronic compass Yes SOS alert function Yes Short Message Service (SMS) Yes Activity tracker Yes Gyroscope Yes Accelerometer Yes Blood oxygen sensor Yes Heart rate sensor type Electrical The larger display enhances the entire experience