Apple Watch SE 3 40mm

The Apple Watch SE 3 40mm is a modern smartwatch designed for fitness, health, communication and everyday convenience. It combines Apple's S10 chip with an Always-On Retina OLED display in a compact aluminium case. The 40mm Always-On Retina display measures 324 × 394 pixels and offers up to 1,000 nits of brightness, providing clear and vibrant visibility for notifications, workouts, apps and everyday use. :contentReference[oaicite:0]{index=0} Powered by Apple's S10 chip with a 64-bit dual-core processor and 4-core Neural Engine, the Apple Watch SE 3 provides responsive performance and supports on-device Siri and convenient gestures such as Double Tap and wrist flick. :contentReference[oaicite:1]{index=1} Health and wellness features include a second-generation optical heart sensor, temperature sensing, high and low heart-rate notifications, irregular rhythm notifications, sleep tracking with sleep stages and sleep score, as well as sleep apnoea notifications where supported. :contentReference[oaicite:2]{index=2} Safety features include Fall Detection and Crash Detection, while GPS enables tracking of outdoor activities such as walking, running and cycling. The watch is also designed for everyday fitness and water-related activities. The Apple Watch SE 3 provides up to 18 hours of normal battery life and supports fast charging, reaching approximately 80% in about 45 minutes. :contentReference[oaicite:3]{index=3} The 40mm GPS model weighs 26.3 grams, while the GPS + Cellular version weighs 26.4 grams. It is designed for wrists measuring approximately 130–200mm. :contentReference[oaicite:4]{index=4} With its S10 chip, Always-On display, advanced health and safety features, fast charging and compact 40mm design, the Apple Watch SE 3 is an excellent choice for everyday smartwatch users.