Apple Watch SE 3 (40mm) SpecificationsFeatureSpecificationBrandAppleModelWatch SE 3DimensionHeight: 40mm, Width: 34mm, Depth: 10.7mmResolution: 324 by 394 pixels (759 sq mm display area)Fits 130–200mm wristsWeightGPS: 26.3 gramsGPS Cellular: 26.4 gramsDisplayAlways-On Retina display with OLED and LTPOTough Ion-X front glass with 4x crack resistanceUp to 1000 nits peak brightness / 2 nits minimum brightness326 pixels per inchProcessorS10 chip with 64‑bit dual core processorCPU4‑core Neural EngineControlsDigital Crown with haptic feedback, Side buttonDouble tap and wrist flick gesturesSiri with on‑device processingWater Resistance50m (swimproof)SensorsSecond-generation optical heart sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope, Ambient light sensorConnectivityL1 GPS, GNSS, Galileo, and QZSS5G and LTEWi-Fi 4 (802.11n) with 2.4GHz supportBluetooth 5.3Apple Pay, GymKit, Apple Watch For Your Kids, International roamingAudioSpeaker, Microphone, Media playbackBattery LifeUp to 18 hours of normal useUp to 32 hours in Low Power ModeBuilt‑in rechargeable lithium‑ion batteryCharging InfoFast‑charge capable (Up to 80% charge in about 45 minutes)15 minutes for up to 8 hours of normal use8 minutes for up to 8 hours of sleep trackingCompatibilityiPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or laterApp SupportYes Discover the Apple Watch SE 3 (40mm) – Power, Style, and Value in One Sleek SmartwatchThe new Apple Watch SE 3 (40mm) is the ultimate everyday companion, engineered to deliver flagship-level performance at an unbeatable value. Powered by the advanced S10 chip and a 4-core Neural Engine, this smartwatch ensures lightning-fast responsiveness for your apps, workouts, and notifications. Its stunning Always-On OLED Retina display shines brilliantly at up to 1000 nits, protected by ultra-tough Ion-X glass with 4x crack resistance.Whether you're hitting the pool with its 50m swimproof rating, tracking your health with the 2nd-generation optical heart and temperature sensors, or navigating hands-free using the intuitive double-tap and wrist-flick gestures, the SE 3 does it all. Plus, with all-day 18-hour battery life and rapid fast-charging (0 to 80% in just 45 minutes), it’s always ready to keep up with your active lifestyle.Final VerdictIf you are looking for the perfect entry point into the Apple smartwatch ecosystem without sacrificing speed, durability, or modern health tracking, the Apple Watch SE 3 (40mm) is a phenomenal choice. It packs the premium processing power of higher-end models into a lightweight, comfortable design. To ensure you get a 100% authentic product paired with top-tier customer service and reliable after-sales support, we highly recommend picking up your new smartwatch from Tech Den. They are a trusted hub for premium gadgets and the smartest place to upgrade your tech!