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Apple Watch SE 3 2026 40mm Dark Blue (Dark Blue Rubber Strap S/M)
Network
| Technology | GPS / GPS + Cellular |
|---|---|
| Cellular Technology | LTE and 5G RedCap (GPS + Cellular models) |
| 5G Bands | FDD 5G NR: n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71 TDD 5G NR: n38, n40, n41 |
| 4G Bands | FDD LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71 TDD LTE: 38, 39, 40, 41 |
| International Roaming | Supported on GPS + Cellular models |
| Speed | 5G RedCap, LTE |
Body
| Dimensions | 40 x 34 x 10.7 mm (1.57 x 1.34 x 0.42 in) |
|---|---|
| Weight | 26.3 g (GPS) |
| Build | Aluminum case with Tough Ion-X front glass |
| Case Finish | Official Apple finishes: Midnight, Starlight |
| Wrist Compatibility | 130–200 mm |
| Controls | Digital Crown with haptic feedback, side button, single tap, double tap and wrist flick gestures |
| Band | Dark Blue Rubber Strap, S/M as specified in the product title |
Display
| Type | Always-On Retina display, OLED, LTPO |
|---|---|
| Size | 40mm case, 759 sq mm display area |
| Resolution | 324 x 394 pixels |
| Pixel Density | 326 ppi |
| Brightness | 1000 nits peak, 2 nits minimum |
| Protection | Tough Ion-X front glass with 4x crack resistance |
Platform
| OS | watchOS |
|---|---|
| Chipset | Apple S10 SiP |
| CPU | 64-bit dual-core processor |
| Neural Engine | 4-core Neural Engine |
| AI | Apple Intelligence and Siri AI |
Memory
| Internal | 64GB |
|---|---|
| Card Slot | No |
Health Sensors
| Heart Sensor | Second-generation optical heart sensor |
|---|---|
| Temperature Sensor | Yes |
| Accelerometer | High-g accelerometer |
| Gyroscope | High dynamic range gyroscope |
| Altimeter | Always-on altimeter |
| Compass | Yes |
| Ambient Light Sensor | Yes |
Health and Wellness
| Heart Rate | Heart Rate app with high and low heart rate notifications |
|---|---|
| Irregular Rhythm Notifications | Supported |
| Cycle Tracking | Advanced Cycle Tracking with fertile window estimates, retrospective ovulation estimates and perimenopause/menopause support |
| Sleep Tracking | Sleep tracking with sleep stages and sleep score |
| Sleep Apnea Notifications | Supported |
| Medications | Medications app |
| Mindfulness | Mindfulness app |
| Noise Monitoring | Noise app and noise monitoring |
Fitness
| Workout Tracking | Custom workouts, customizable Workout Views and Training Load |
|---|---|
| Heart Rate Zones | Customizable heart rate zones |
| Running | VO2 max, Race Route, Pacer, cadence, stride length, ground contact time, vertical oscillation and running power |
| Swimming | Pool and open-water swimming, splits, automatic sets, SWOLF, automatic stroke detection and kickboard detection |
| Other Workouts | Skiing, snowboarding, outdoor rowing, paddling, golf, walking, elliptical, rower, stair stepper, HIIT, yoga, functional strength training, dance, cooldown, core training, Pilates, tai chi, wheelchair, kickboxing and multisport |
Comms
| WLAN | Wi-Fi 4 (802.11n), 2.4GHz |
|---|---|
| Bluetooth | Bluetooth 5.3 |
| Positioning | L1 GPS, GLONASS, Galileo, QZSS and BeiDou |
| NFC | Yes, Apple Pay |
| Cellular | LTE and 5G RedCap on GPS + Cellular models |
| GymKit | Supported |
Sound
| Loudspeaker | Built-in speaker |
|---|---|
| Microphone | Built-in microphone |
| Media Playback | Supported |
Features
| Sensors | Second-generation optical heart sensor, temperature sensor, compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor |
|---|---|
| Siri | Faster on-device Siri with Apple Intelligence |
| Double Tap | Supported |
| Wrist Flick | Supported |
| Apple Pay | Supported |
Battery
| Type | Built-in rechargeable lithium-ion battery |
|---|---|
| Normal Use | Up to 18 hours |
| Low Power Mode | Up to 32 hours |
| Outdoor Workout | Up to 7 hours |
| Charging | Fast-charge capable |
| Fast Charging | Up to 80% charge in about 45 minutes |
| 15-Minute Charge | Up to 8 hours of normal use |
| 8-Minute Charge | Up to 8 hours of sleep tracking |
| Charger | Apple Watch Magnetic Fast Charger to USB-C Cable |
Safety
| Emergency SOS | Supported |
|---|---|
| Fall Detection | Supported |
| Crash Detection | Supported |
| Noise Monitoring | Supported |
| Backtrack | Supported |
| Check In | Supported |
Durability
| Water Resistance | 50 metres, swimproof |
|---|---|
| Front Glass | Tough Ion-X glass with 4x crack resistance |
| Operating Temperature | 0° to 35° C |
| Storage Temperature | -20° to 45° C |
| Humidity | 5% to 90% non-condensing |
| Operating Altitude | 0 to 3000 metres |
Compatibility
| iPhone Compatibility | iPhone 11 or later, including iPhone SE (2nd generation or later) |
|---|---|
| Required iOS | iOS 26 or later |
Materials and Sustainability
| Case | Aluminum |
|---|---|
| Recycled Materials | Apple uses recycled materials in the case, battery, magnets, Taptic Engine, display glass and packaging |
| Packaging | 100% fiber-based packaging |
General
| Product | Apple Watch SE 3 |
|---|---|
| Generation | 3rd generation |
| Year Introduced | 2025 |
| Case Size | 40mm |
| Requested Color | Dark Blue |
| Official Case Colors | Midnight, Starlight |
| Requested Strap | Dark Blue Rubber Strap S/M |
In the Box
| Watch | Apple Watch SE 3 |
|---|---|
| Band | Dark Blue strap, S/M as specified in the product listing |
| Charger | Apple Watch Magnetic Fast Charger to USB-C Cable (1m) |
Identifiers
| MPN | MJKY4ZR/A |
|---|---|
| GTIN / EAN / UPC | 195951259024, 0195951259024 |
