Resolution: 324 by 394 pixels (759 sq mm display area)
Fits 130–200mm wrists
Weight
GPS: 26.3 grams
GPS + Cellular: 26.4 grams
Display
Always-On Retina display with OLED and LTPO
Tough Ion-X front glass with 4x crack resistance
Up to 1000 nits peak brightness / 2 nits minimum brightness
326 pixels per inch
Processor
S10 chip with 64‑bit dual core processor
CPU
4‑core Neural Engine
Controls
Digital Crown with haptic feedback, Side button
Double tap and wrist flick gestures
Siri with on‑device processing
Water Resistance
50m (swimproof)
Sensors
Second-generation optical heart sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope, Ambient light sensor
Connectivity
L1 GPS, GNSS, Galileo, and QZSS
5G and LTE
Wi-Fi 4 (802.11n) with 2.4GHz support
Bluetooth 5.3
Apple Pay, GymKit, Apple Watch For Your Kids, International roaming
Audio
Speaker, Microphone, Media playback
Battery Life
Up to 18 hours of normal use
Up to 32 hours in Low Power Mode
Built‑in rechargeable lithium‑ion battery
Charging Info
Fast‑charge capable (Up to 80% charge in about 45 minutes)
15 minutes for up to 8 hours of normal use
8 minutes for up to 8 hours of sleep tracking
Compatibility
iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 26 or later
App Support
Yes
Discover the Apple Watch SE 3 (40mm) – Power, Style, and Value in One Sleek Smartwatch
The 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 Verdict
If 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!