Uk used Apple watch series SE 40mm GPS

Apple Watch Series 4 is more than an evolution — it represents a fundamental redesign and re-engineering of Apple Watch. It’s offered in two sizes, 40mm and 44mm. The speaker is 50 percent louder, optimized for phone calls, Siri and Walkie-Talkie, and the microphone has been relocated, to reduce echo for better sound quality. The device includes the next-generation S4 chip with a custom 64-bit dual-core processor, delivering twice the speed while maintaining the same all-day battery life.2