Apple Watch SE and the Environment Apple Watch SE paired with Sport Loop is designed to reduce its environmental impact:9 Apple Watch SE 3 is available in 40mm and 44mm aluminium cases in Midnight and Starlight finishes. Apple has officially unveiled the Apple Watch SE 3, its most affordable smartwatch yet... Apple Watch SE 3 has connectivity, fitness, health, and safety features for the whole family. Buy now at apple.com. Testing conducted by Apple in July and August 2025 using pre-production Apple Watch SE 3 (GPS) and Apple Watch SE 3 (GPS + Cellular), each paired with an iPhone; all devices tested with pre-release software, Apple Watch Magnetic Fast Charger to USB-C Cable (Model A2515) and Apple 20W USB-C Power Adapter (Model A2305).
