The Apple Watch Series 12 (MJEF4) is a versatile smartwatch designed for daily health and connectivity, featuring a 42 mm aluminium case in a dark bronze finish. Its 1.77-inch Retina LTPO3 OLED display is protected by sapphire crystal, offering a sharp 446 x 374 resolution that remains clear in various lighting conditions. Under the hood, the Apple S11 chipset manages the watchOS platform, while 64 GB of internal memory provides ample space for your apps and data. This model comes with an olive green fluoroelastomer sport band sized S/M, fitting wrists from 130 to 180 mm. The device is built for active lifestyles, with 5 ATM water resistance allowing it to be worn during swims up to 50 meters. To keep you on track, it integrates multiple satellite systems including GPS, Glonass, and Galileo, supported by a suite of sensors like a barometer, compass, and accelerometer. Powering the watch is a 5200 mAh lithium-ion battery that lasts up to 38 hours on a single charge, which can be replenished in about 2 hours using the included magnetic wireless charger. With its rectangular design and integrated speaker and microphone, it serves as a convenient extension of your phone for quick communications and fitness tracking.