Apple Watch SE 3 (GPS + Cellular) 40 mm, Aluminium, Starlight

The Apple Watch SE 3 with GPS and Cellular connectivity is a 40 mm smartwatch that provides core Apple Watch functionality including health monitoring, fitness tracking, safety features, and iPhone integration at a more accessible price point than the main Apple Watch Series. The Starlight aluminium case offers a warm, neutral tone that pairs well with a wide range of band styles and colours. Cellular capability allows the watch to make calls, send messages, and stream music independently without the iPhone nearby.

Health and fitness features include heart rate monitoring with high and low heart rate notifications, irregular rhythm notifications, fall detection with automatic emergency calling, Crash Detection, and comprehensive workout tracking for dozens of exercise types. The watch tracks daily activity through the Activity Rings system that monitors Move, Exercise, and Stand goals. Sleep tracking records duration and sleep stages. The built-in GPS tracks outdoor routes for running, cycling, and walking.

Running watchOS, the Apple Watch SE 3 supports the full ecosystem of Apple Watch apps, Apple Pay for contactless payments, Apple Wallet for boarding passes and tickets, and HomeKit for smart home control from the wrist. The watch is swim-proof with WR50 water resistance. The 40 mm case size is suited to smaller wrists. The Apple S-series chip provides responsive performance for app launching, notifications, and background health monitoring. Battery life is approximately 18 hours under typical usage with overnight charging. The watch uses Apple's magnetic charging cable.