Apple Watch SE (2020) and Apple Watch Series 3 both target smartwatches buyers in Nigeria, but the deciding factors are generation and case sizes.
Check the verdict first, then review the differences and table rows for Apple Watch SE (2020) and Apple Watch Series 3. Prioritize the specs, price range, condition, warranty and delivery details that affect how you plan to use this product category.
Before checkout, confirm live availability, selected variant, regional compatibility and included accessories on the product page. Similar model names can hide different storage, platform, display or bundle details, so use the table as a shortlist before opening the final product listing.
| Spec | Apple Watch SE (2020) | Apple Watch Series 3 |
|---|---|---|
| Product Details | ||
| Product type | Apple smartwatch | Apple smartwatch |
|---|
| Generation | Apple Watch SE (1st generation, introduced 2020) | Apple Watch Series 3 |
|---|
| Case sizes | 40mm and 44mm model family | 38mm and 42mm model family |
|---|
| Variants | GPS and GPS + Cellular variants exist; confirm exact row before checkout | GPS and GPS + Cellular variants exist |
|---|
| Display | ||
|---|---|---|
| Display type | Retina LTPO OLED display | Retina OLED display |
| Resolution | 40mm: 324 x 394; 44mm: 368 x 448 | 38mm: 272 x 340; 42mm: 312 x 390 |
| Brightness | up to 1000 nits | up to 1000 nits |
| Glass/back | Ion-X front glass; ceramic/sapphire back on model family | — |
| Type | Retina LTPO OLED | Retina OLED |
| Peak Brightness | 1000 nits | 1000 nits |
| Performance and Sensors | ||
|---|---|---|
| Chip | S5 SiP with 64-bit dual-core processor; W3 wireless chip | S3 SiP with dual-core processor; W2 wireless chip |
| Storage | 32GB capacity | — |
| Sensors | optical heart sensor, compass, always-on altimeter, accelerometer, gyroscope, ambient light sensor | optical heart sensor, altimeter, accelerometer, gyroscope and ambient light sensor |
| Safety | fall detection and Emergency SOS support where region/network allows | — |
| Capacity | — | 8GB on GPS models; 16GB on GPS + Cellular models |
| Features | — | Apple Pay, Emergency SOS, speaker and microphone |
| Connectivity and Battery | ||
|---|---|---|
| Wireless | Wi-Fi 802.11b/g/n 2.4GHz and Bluetooth 5.0 | Wi-Fi 802.11b/g/n 2.4GHz and Bluetooth 4.2 |
| Cellular | LTE/UMTS on GPS + Cellular models | LTE/UMTS on GPS + Cellular models |
| Water resistance | 50 meters under ISO 22810:2010 | 50 meters under ISO 22810:2010 |
| Battery | up to 18 hours; battery life varies by use and condition | up to 18 hours; battery health should be checked on older units |
| Buying Notes | ||
|---|---|---|
| Confirm before checkout | confirm case size, connectivity, band, region lock/carrier support, battery health if pre-owned, live availability | confirm size, connectivity, supported iPhone/watchOS status, battery health, band, live availability |
| Body | ||
|---|---|---|
| Protection | WR50 | WR50 |
| Processing | ||
|---|---|---|
| Processor | Apple S5 SiP | Apple S3 SiP |
| Memory | ||
|---|---|---|
| Internal Storage | 32GB | — |
| Connectivity | ||
|---|---|---|
| Bluetooth | 5.0 | 4.2 |
| USB | magnetic charging cable | USB-A magnetic charging cable |
| Misc | ||
|---|---|---|
| Models | Apple Watch SE 1st generation model family | Apple Watch Series 3 model family |
Use the comparison table to choose based on the price, condition, and specs that matter most to you, especially generation and case sizes.
Apple Watch SE (2020) is the better fit if its advantages in generation matter more than the savings on Apple Watch Series 3; otherwise compare current prices and availability before buying.
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