1. Introduction
This manual provides essential information for the safe and effective use of your Apple Watch SE 3 GPS + Cellular 44mm. Please read it thoroughly before using your device.
Image: Apple Watch SE 3 GPS + Cellular 44mm, side view.
2. What's in the Box
Verify that all components are present in your Apple Watch SE 3 package:
- Apple Watch SE 3 (Midnight Aluminium Case)
- Midnight Sport Band (M/L size)
- USB-C Magnetic Fast Charging Cable
Image: Contents of the Apple Watch SE 3 packaging.
3. Setup
3.1 Charging Your Apple Watch
Before initial use, fully charge your Apple Watch. Connect the USB-C Magnetic Fast Charging Cable to a USB-C power adapter (sold separately) and then attach the magnetic end to the back of your Apple Watch. The watch will display a charging indicator. Fast charging allows for up to 80% charge in approximately 45 minutes, or 8 hours of use from a 15-minute charge.
3.2 Pairing with iPhone
- Ensure your iPhone is updated to the latest iOS version and has Bluetooth and Wi-Fi enabled.
- Turn on your Apple Watch by pressing and holding the side button until the Apple logo appears.
- Place your Apple Watch near your iPhone. A pairing screen will appear on your iPhone. Tap 'Continue'.
- Position your iPhone so that your Apple Watch appears in the viewfinder of the Apple Watch app.
- Follow the on-screen instructions on both devices to complete the pairing process, including setting up your preferences and cellular plan (if applicable).
4. Operating Your Apple Watch
4.1 Basic Navigation
- Digital Crown: Rotate to scroll, zoom, or adjust values. Press once to go to the watch face or app list. Double-press to switch between recently used apps. Press and hold for Siri.
- Side Button: Press once to open the Dock (recently used apps). Press and hold to access Emergency SOS, Medical ID, and power options.
- Gestures: Swipe up for Control Center, swipe down for Notifications, swipe left/right on the watch face to change faces.
- Double Tap and Wrist Flick: Use these gestures for hands-free interaction with your watch.
4.2 Key Features
- Always-On Retina Display: The display remains visible at a low brightness, allowing you to see the time and watch face without raising your wrist.
- Fitness Tracking: Track various workouts with real-time metrics. Close your Activity rings (Move, Exercise, Stand) to achieve daily fitness goals.
- Health Monitoring: Monitor your heart rate, receive high/low heart rate notifications, and irregular rhythm notifications. The temperature sensor provides retrospective ovulation estimates and richer insights in the Vitals app. Track your sleep stages and receive sleep apnea notifications.
- Connectivity (GPS + Cellular): Make calls, send texts, stream music, and use apps without your iPhone nearby, provided you have an active cellular plan. Built-in GPS tracks your outdoor activities accurately.
- Safety Features: Emergency SOS allows you to quickly call emergency services. Crash Detection and Fall Detection can automatically connect you to emergency services and notify emergency contacts in the event of a severe car crash or hard fall. Check In can automatically notify a loved one when you've arrived at your destination.
- Apple Watch for Kids: Set up an Apple Watch for a family member who doesn't have an iPhone, allowing them to call, text, and share their location.
Image: Health and fitness tracking features of Apple Watch SE 3.
5. Maintenance
5.1 Cleaning Your Apple Watch
To clean your Apple Watch, wipe it with a soft, lint-free cloth. If necessary, lightly dampen the cloth with fresh water. Do not use harsh chemicals or abrasive materials. Ensure the watch is dry before charging.
5.2 Water Resistance
Your Apple Watch SE 3 is water resistant to 50 meters, making it suitable for shallow-water activities like swimming in a pool or ocean. It should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depths. Water resistance is not a permanent condition and may diminish over time.
5.3 Battery Care
For optimal battery life, avoid exposing your Apple Watch to extreme temperatures. Charge your device regularly, but it is not necessary to fully discharge it before recharging. The battery is designed for all-day use, up to 18 hours, and up to 32 hours in Low Power Mode.
6. Troubleshooting
6.1 Common Issues and Solutions
- Watch not turning on: Ensure the watch is charged. Connect it to the charging cable and allow it to charge for at least 30 minutes.
- Pairing issues: Ensure your iPhone's Bluetooth is on and both devices are close. Restart both your iPhone and Apple Watch.
- Inaccurate heart rate readings: Ensure the watch is snug on your wrist, but not too tight. Clean the back of the watch.
- Poor battery life: Check for apps running in the background. Adjust display brightness. Enable Low Power Mode.
- Apps not responding: Force quit the app by pressing the side button, then rotating the Digital Crown to the app, swiping left, and tapping the 'X'. Restart your Apple Watch if the issue persists.
6.2 Restarting Your Apple Watch
If your Apple Watch is not responding, press and hold the side button until the power off slider appears, then drag the slider. To force restart, press and hold both the side button and the Digital Crown for at least 10 seconds until you see the Apple logo.
7. Specifications
| Feature | Detail |
|---|---|
| Operating System | watchOS |
| Memory Storage Capacity | 64 GB |
| Special Features | Activity Tracker, Contactless Payments, Fall Detection, Multisport Tracker, Touchscreen |
| Connectivity Technology | Bluetooth, Cellular, Wi-Fi |
| Wireless Communication Standard | 802.11n, Bluetooth 5.3 |
| Battery Cell Composition | Lithium Ion |
| GPS | Built-in GPS (L1 GPS, GNSS, Galileo, and QZSS) |
| Shape | Rectangular |
| Screen Size | 44 Millimeters |
| Dimensions (Height x Width x Depth) | 44mm x 38mm x 10.7mm |
| Display Area | 977 sq mm (368 by 448 pixels) |
| Weight (GPS + Cellular) | 33.0 grams |
| Controls | Digital Crown with haptic feedback, Side button, Double tap and wrist flick gestures, Siri with on-device processing |
| Display Type | Always-On Retina display with OLED and LTPO, Ion-X front glass (4x crack resistance), Up to 1000 nits peak brightness, 326 pixels per inch |
| Chip | S10 chip with 64-bit dual-core processor, 4-core Neural Engine |
| Sensors | Second-generation optical heart sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope, Ambient light sensor |
| Safety Features | Emergency SOS, International emergency calling, Crash Detection, Fall Detection, Noise monitoring, Backtrack |
| Health and Wellness | Cycle Tracking app with retrospective ovulation estimation, Heart Rate app, High and low heart rate notifications, Irregular rhythm notifications, Medications app, Mindfulness app with state of mind tracking, Noise app, Sleep app including sleep stages, Sleep score, Sleep apnea notifications |
| Water Resistance | 50m (swimproof) |
| Power and Battery Life | Up to 18 hours normal use, Up to 32 hours in Low Power Mode, Fast-charge capable (80% in ~45 mins, 8 hours use from 15 mins) |
8. Warranty and Support
8.1 Limited Warranty
Your Apple Watch SE 3 is covered by a one-year limited warranty from Apple against defects in materials and workmanship. This warranty does not cover damage caused by accident, abuse, unauthorized modifications, or external causes. For full terms and conditions, please refer to the official Apple warranty documentation included with your product or visit the Apple website.
8.2 Customer Support
For technical assistance, service, or support, please visit the official Apple Support website or contact Apple customer service directly. You can find contact information and additional resources on their website.
