Apple Watch SE · 2025
Apple Watch SE 3 Technical specifications
Apple Watch SE 3 was introduced by Apple in 2025. It has the S10 chip with 64‑bit dual core processor chip. Storage options: 64GB. Colors: Aluminum case, Midnight, Starlight. Weight: 32.9 g.
- ChipS10 chip with 64‑bit …
- Batteryup to 18 h
- Storage64GB
- Weight32.9 g
- Aluminum case
- Midnight
- Starlight
Updated:
Apple Watch SE 3: key specifications
| Released | 2025 |
|---|---|
| Display | Always-On Retina display with OLED and LTPO; Tough Ion-X front glass with 4x crack resistance7; 1000 nits pea… |
| Chip | S10 chip with 64‑bit dual core processor · 4-core Neural Engine |
| Storage | 64GB |
| Battery | up to 18 h |
| Weight | 32.9 g |
| Connectivity | 5G · Wi-Fi 4 · Bluetooth 5.3 |
| Operating System | watchOS |
| Model Numbers | A3326, A3328 |
Models, storage and colors
Model Numbers
- A3326
- A3328
Storage
- 64GB
Colors
- Aluminum case
- Midnight
- Starlight
Complete specifications
Size and Weight
- 44mm
- Height44mm
- Width38mm
- Depth10.7mm
- 368 by 448 pixels
- 977 sq mm display area
- Weight (GPS)32.9 grams
- Weight (GPS + Cellular)33.0 grams
- Fits 140–245mm wrists
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- 40mm
- Height40mm
- Width34mm
- 324 by 394 pixels
- 759 sq mm display area
- Weight (GPS)26.3 grams
- Weight (GPS + Cellular)26.4 grams
- Fits 130–200mm wrists
Display
- Always-On Retina display with OLED and LTPO
- Tough Ion-X front glass with 4x crack resistance
- 1000 nits peak brightness
- 2 nits minimum brightness
- 326 pixels per inch
Chip
- S10 chip with 64‑bit dual core processor
- 4‑core Neural Engine
- 64GB capacity
Sensors
- Second-generation optical heart sensor
- Temperature sensor
- Compass
- Always-on altimeter
- High-g accelerometer
- High dynamic range gyroscope
- Ambient light sensor
Operating System
- watchOS
- watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.
Accessibility
- Built‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
- Features include
- VoiceOver
- Zoom
- On/Off Labels
- Reduce Transparency
- Increase Contrast
- Color Filters
- Text Size
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- Bold Text
- Reduce Motion
- Hourly Chimes
- AssistiveTouch
- Button Click Speed
- Touch Accommodations
- Auto-Answer Calls
- Type to Siri
- RTT Support
- Audio Volume Balance
- Auto Transcription
- Live Speech
- Accessibility Shortcut
- Mono Audio
- Taptic Time
- Personal Voice
- Live Listen
Environmental Requirements
- Operating temperature32° to 95° F (0° to 35° C)
- Nonoperating storage temperature–4° to 113° F (–20° to 45° C)
- Relative humidity5% to 90% noncondensing
- Operating altitude0 feet to 10,000 feet (0m to 3000m)
In the Box
- Apple Watch SE 3
- Band
- Apple Watch Magnetic Fast Charger to USB‑C Cable (1m)
Material and Finish
- Aluminum case
- Midnight
- Starlight
Hardware and Buttons
- Digital Crown
- Microphone
- Side button
- Band release button
- Speaker
- Optical heart sensor
Controls
- Digital Crown with haptic feedback
- Side button
- Single tap, double tap, and wrist flick gestures
- Siri powered by Apple Intelligence
Apple Intelligence and Siri AI1
- The next generation of Apple Intelligence is centered around you, integrated into your apps, and built with privacy. Apple Intelligence powers Siri AI — an entirely new version of Siri that’s more personal, conversational, and powerful, along with helpful features across apps.Learn more about Apple Intelligence and Siri AI
Health and Wellness
- Heart Rate app
- High and low heart rate notifications
- Irregular rhythm notifications
- Advanced Cycle Tracking app with fertile window estimates, retrospective ovulation estimates, and perimenopause and menopause support
- Medications app
- Mindfulness app
- Noise app
- Sleep app including sleep stages
- Sleep score
- Sleep apnea notifications
Audio
- Speaker
- Microphone
- Media playback
Power and Battery Life
- All‑day battery life, up to 18 hours of normal use
- Up to 32 hours in Low Power Mode
- Up to 7 hours workout tracking
- Built‑in rechargeable lithium‑ion battery
- 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
Workouts and Activity
- Running
- Custom workouts
- Customizable Workout Views
- Training Load
- Heart Rate Zones (customizable)
- Postworkout heart rate
- VO2 max
- Race Route
- Pacer
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- Cadence, Stride Length, Ground Contact Time, Vertical Oscillation, and Running Power
- Automatic track detection
- Multisport workout
- Heart Rate Zone, pace, and target alerts
- Hiking
- Compass with bearing, incline, elevation, and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Offline maps with custom route creation
- Topographic maps for thousands of national and regional parks (U.S. only)
- Hundreds of curated hikes across all 63 U.S. national parks
- Cycling
- Average speed, elevation gained, and distance
- Connection to cycling accessories via Bluetooth
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
- Swimming
- Pool swim or open water swim
- Custom workouts for pool swims
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard detection
- Average pace, total distance, and laps
- Skiing
- Snowboarding
- Outdoor Rowing
- Paddling
- Golf
- Walk
- Elliptical
- Rower
- Stair Stepper
- HIIT
- Yoga
- Functional Strength Training
- Dance
- Cooldown
- Core Training
- Pilates
- Tai Chi
- Wheelchair
- Kickboxing
- Multisport
- Other
Safety
- Emergency SOS13
- International emergency calling
- Fall Detection
- Crash Detection
- Noise monitoring
- Backtrack
- Check In
Durability
- Water resistance 50m (swimproof)
Connectivity
- All models
- Support for 2.4GHz Wi-Fi networks
- Wi-Fi 4 (802.11n)
- Bluetooth 5.3
- L1 GPS (GLONASS, Galileo, QZSS, and BeiDou)
- Apple Pay16
- GymKit
- Models A3326 and A3328
- Supports RedCap for 5G17 and LTE18
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- FDD‑5G NR (Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n26, n28, n66, n71)
- TDD‑5G NR (Bands n38, n40, n41)
- FDD‑LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 66, 71)
- TDD‑LTE (Bands 38, 39, 40, 41)
- Support for Apple Watch For Your Kids
- International roaming
Apple Watch and the Environment
- Apple 2030 is our commitment to be carbon neutral for our entire carbon footprint. Our plan to decarbonize products is rigorous and focuses on transitioning to low-carbon electricity, designing with recycled and low-carbon materials, and prioritizing lower-carbon ways of shipping products, like ocean freight.
- 100% recycled aluminum in the case
- 100% recycled cobalt and 95% recycled lithium in the battery
- 100% recycled rare earth elements in all magnets
- 100% recycled gold plating and tin solder in all Apple-designed printed circuit boards
- 100% recycled tungsten in the Taptic Engine
- 40% recycled glass in the display glass
- 100% fiber-based packaging
- Apple Watch SE 3 packaging is designed to be compact, enabling 40% more units per trip compared to Apple Watch SE
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- 100% of manufacturing electricity for Apple Watch SE 3 is sourced from renewable electricity
- 100% of expected customer energy use matched with low-carbon electricity
- Meets California Energy Commission’s energy efficiency standards for battery charger systems
- No established final assembly sites generate waste sent to landfill as part of Apple’s Zero Waste Program
- All of the materials used in Apple products, accessories, and packaging are covered by the requirements of our Regulated Substances Specification, which was one of the first in industry to restrict the use of key substances of concern. See the latest Environmental Progress Report to understand Apple’s recent efforts in phasing out these chemistries.
Compatibility
- iPhone 11 or later, including iPhone SE (2nd generation or later), with iOS 27 or later
Apple Watch SE 3 technical specifications
This page contains complete technical specifications for Apple Watch SE 3, including display, chip, storage, colors, model numbers, dimensions, weight, operating system, connectivity, battery information and other hardware details.
Use this information to compare Apple devices, identify the exact model, check compatibility and verify key hardware features before service, repair, resale or purchase.
Apple Watch SE 3 — FAQ
What year was Apple Watch SE 3 released?
Apple Watch SE 3 was released in 2025.
What is the display size of Apple Watch SE 3?
Apple Watch SE 3 has Always-On Retina display with OLED and LTPO; Tough Ion-X front glass with 4x crack resistance7; 1000 nits pea….
What chip does Apple Watch SE 3 use?
Apple Watch SE 3 uses S10 chip with 64‑bit dual core processor, 4-core Neural Engine.
What storage capacities are available for Apple Watch SE 3?
Available storage capacities include 64GB.
What are the model numbers for Apple Watch SE 3?
Known model numbers include A3326, A3328.
What colors does Apple Watch SE 3 come in?
Apple Watch SE 3 is available in Aluminum case, Midnight, Starlight.
What are the dimensions and weight of Apple Watch SE 3?
Apple Watch SE 3 weighs 32.9 g.
How long does the Apple Watch SE 3 battery last?
Battery life of Apple Watch SE 3: up to 18 h.
Does Apple Watch SE 3 support 5G?
Yes, Apple Watch SE 3 supports 5G. Connectivity: 5G, Wi-Fi 4, Bluetooth 5.3.
