Display specifications
The Apple Watch 1st (Series 0) S was released on 24 April 2015. Its display is 1.337 inches, 136 × 170 points, which at 2x is 272 × 340 pixels. Pixel density is 326 PPI and the aspect ratio is 4:5.
Points are the unit an app's layout is written in; pixels are what the panel has. How to read these numbers.
| Release date | 24 April 2015 |
|---|---|
| Logical width | 136 pt |
| Logical height | 170 pt |
| Physical width | 272 px |
| Physical height | 340 px |
| Diagonal | 1.337 in |
| Pixel density | 326 px/in |
| Aspect ratio | 4:5 |
| Scale factor | 2x |