The Apple Watch Series 12 (MJEA4) is a versatile smartwatch designed to integrate seamlessly into your daily health and connectivity routines. It features a 1.77-inch Retina LTPO3 OLED display with a resolution of 446 x 374 pixels, protected by a durable sapphire crystal glass that resists scratches during active use. The 42 mm black aluminium case is lightweight and paired with a black fluoroelastomer sport band sized S/M, fitting wrists from 130 to 180 mm. Powered by the Apple S11 chipset and running watchOS, this device offers 64 GB of internal memory for your apps and data. It maintains precise location tracking through a comprehensive suite of satellite systems, including GPS, Glonass, Beidou, Galileo, and QZSS, while sensors like the barometer, compass, and accelerometer monitor your movement and environment. With a water resistance rating of 5 ATM, you can wear it while swimming in depths up to 50 meters. The watch is supported by a 5200 mAh lithium-ion battery providing up to 38 hours of use, which can be fully replenished in 2 hours via the included magnetic wireless charger. Integrated Wi-Fi and Bluetooth ensure you stay connected to your iOS device, while the built-in microphone and speaker allow for clear audio interactions directly from your wrist.