Refurbished Tech Buying Guides UK » Recovery HRV

Apple Watch Series 12 adds the S11 chip, Readiness, improved heart-rate and HRV sensing, Siri AI, tougher Ceramic Shield 2 and faster short charging. But Series 11 already offers a 2,000-nit Always-On display, 24-hour battery, 5G, ECG, sleep score and watchOS 27. Here’s which offers better value.