Apple Watch SE 3: Specs, Key Features & Rivals
- Shortest low-power mode
Made by Apple, the Apple Watch SE 3 competes in the everyday smartwatch category. In the everyday smartwatches we compare, the Apple Watch SE 3 Has the shortest life in low-power mode. In its class, the Apple Watch SE 3 faces Garmin Lily 2, Garmin Vivoactive 6 and Pixel Watch 4.
- Case size (largest)44 mm
- Rated battery life18 h
- Peak brightness1,000 nits
- Water resistance50 m
- Weight (largest, no band)1.16 oz
- Launch price$249
Key Specifications
Display
| Display type | Always-On Retina LTPO OLED |
|---|---|
| Resolution (largest) | 368 x 448 |
| Peak brightness | 1,000 nits |
| Always-on display | Yes |
Health & Fitness Sensors
| Optical heart rate | Yes |
|---|---|
| ECG | No |
| Blood oxygen | No |
| Skin temperature | Yes |
| GPS | Built-in L1 GPS (GLONASS, Galileo, QZSS, BeiDou) |
| Dual-frequency GPS | No |
Battery Life
| Rated battery lifeManufacturer rating, typical use | 18 h |
|---|---|
| Rated life in low-power modeManufacturer rating | 32 h |
| Charging | Fast charging, 0 to 80% in about 45 min |
Smart Features & Connectivity
| Chip | S10 |
|---|---|
| Storage | 64 GB |
| Cellular option | Yes |
| Contactless payments | Yes |
| Phone compatibility | iPhone only |
| Software | watchOS |
Design & Durability
| Case size (largest) | 44 mm |
|---|---|
| Available sizes | 40 mm, 44 mm |
| Water resistance | 50 m |
| Case material | Aluminum |
| Thickness | 0.42 in |
| Weight (largest, no band) | 1.16 oz |
Price
| Launch price | $249 |
|---|
How It Stacks Up in the Everyday Smartwatch Class
On rated battery life, the Apple Watch SE 3 comes in 478% under the class average in raw numbers. Relative to the class average, the Apple Watch SE 3 reads 50% lower on peak brightness. The Apple Watch SE 3 is close to its class average for water resistance.
Compare Apple Watch SE 3 With Its Rivals
Other models in the same class:
Frequently Asked Questions
What is the release date of the Apple Watch SE 3?
The release date of the Apple Watch SE 3 is September 19, 2025.
How much did the Apple Watch SE 3 cost at launch?
The Apple Watch SE 3 launched at $249 (as of September 2025).
What does the Apple Watch SE 3 compete with?
If you’re considering the Apple Watch SE 3, it’s also worth looking at Garmin Lily 2, Garmin Vivoactive 6, Pixel Watch 4 and Garmin Vivoactive 5.
What is the weight of the Apple Watch SE 3?
The listed weight of the Apple Watch SE 3 is 1.16 oz.