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Apple Watch Ultra 3 Specifications
Versions: A3281 (Global); A3282 (China)
Apple
Released 2025, Sep 19
Apple S10
- 61.6g or 61.8g (black), 12mm thickness
- watchOS 26, up to watchOS 26.5
- 64GB storage, no card slot
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Genze vs community
Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).
| Category | Genze /10 | Users /10 |
|---|---|---|
| Battery | 8.8 | — |
| Display | 7.9 | — |
| Performance | 3.1 | — |
| Camera | 0.0 | — |
| Body | 6 | — |
| Gaming | 0.0 | — |
| Software | 4.4 | — |
| Connectivity | 7.2 | — |
| Sensors | 7.2 | — |
| Software updates | — | — |
| Clean software | — | — |
| Heating | — | — |
| Media | — | — |
Community columns fill in when reviews are approved.
Quick specifications
1.98"
514x422 pixels
NO
Apple S10
599mAh
Score breakdown
From specs, price tier & release year
Low camera score: Genze checks parsed camera fields (OIS, telephoto, LiDAR, etc.) against this price tier’s requirements—not the raw spec text alone.
Community ratings
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Full specifications
|
Network
|
Technology | GSM / HSPA / LTE / 5G |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK | |
| ??? | HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada | |
| 4G bands | 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK | |
| ??? | 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada | |
| 5G bands | SA/NSA | |
| Speed | HSPA, LTE, 5G |
|
Launch
|
Announced | 2025, September 09 |
|---|---|---|
| Status | Available. Released 2025, September 19 |
|
Body
|
Dimensions | 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in) |
|---|---|---|
| Weight | 61.6 g or 61.8 g (black) (2.15 oz) | |
| Build | Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5) | |
| SIM | eSIM | |
| ??? | IP6X certified 100m water resistant (22810:2010) 40m swimproof/diving (EN13319) MIL-STD-810H compliant ECG certified (region dependent SW application; HW available on all models) |
|
Display
|
Type | Retina LTPO3 OLED, 3000 nits (peak) |
|---|---|---|
| Size | 1.98 inches | |
| Resolution | 514 x 422 pixels (~326 ppi density) | |
| Protection | Sapphire crystal glass | |
| ??? | Wide-angle OLED |
|
Platform
|
OS | watchOS 26, upgradable to watchOS 26.5 |
|---|---|---|
| Chipset | Apple S10 | |
| CPU | Dual-core | |
| GPU | PowerVR |
|
Memory
|
Card slot | No |
|---|---|---|
| Internal | 64GB |
|
Camera
|
??? | No |
|---|
|
Sound
|
Loudspeaker | Yes, with dual speakers (86-decibel) |
|---|---|---|
| 3.5mm jack | No |
|
Comms
|
WLAN | Wi-Fi 802.11 b/g/n, dual-band |
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | |
| Positioning | GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS | |
| NFC | Yes | |
| Radio | No | |
| USB | No |
|
Features
|
Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) |
|---|---|---|
| ??? | Temperature sensing (0.01?? accuracy) Depth gauge (??1m accuracy) Ultra Wideband (UWB) support (gen2 chip) Emergency SOS via satellite |
|
Battery
|
Type | Li-Ion 599 mAh |
|---|---|---|
| Charging | Wireless, 0-80% in 45 min |
|
Misc
|
Colors | Natural, Black |
|---|---|---|
| Models | A3281, A3282 | |
| SAR | 1.16 W/kg (head) | |
| SAR EU | 1.19 W/kg (head) | |
| Price | $???229.99 / ??????811.99 |
Apple Watch Ultra 3 official images
Frequently asked questions
Is Apple Watch Ultra 3 worth buying in 2026?
Apple Watch Ultra 3 is worth considering if its strengths match your priorities. Genze scores it 6.7/10 for its class; reference price around $230 USD. Read owner reviews and compare alternatives before you buy.
What is the battery capacity of Apple Watch Ultra 3?
Apple Watch Ultra 3 has a 599 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.
What display size does Apple Watch Ultra 3 have?
Apple Watch Ultra 3 features a 1.98-inch display. See the Display section for resolution, refresh rate, and panel details.
What is the Genze score for Apple Watch Ultra 3?
Genze rates Apple Watch Ultra 3 6.7/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.
What is the estimated price of Apple Watch Ultra 3?
Our estimated reference price is $230 USD. Retail prices vary by region, storage, and promotions.
Where do these specifications come from?
Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.
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