Apple - Watch_Series7_GPSApple Watch Series 7 (GPS) 41mm Regular GPS style With the GPS model, you can answer calls and messages from the watch Screen size: 41 mm Display type: OLED Connectivity technology: Wireless, Bluetooth Waterproof Included Components: Apple Watch, Band, Magnetic Charging Cable (1m) Composition of battery cells: Lithium ion Always on Retina display is nearly 20% larger than Series 6 models everything is easier to see and use The strongest front crystal