Apple Watch Series 3 38mm screen size
Apple Watch Series 3 38mm: 136 × 170 points at @2x, which is 272 × 340 pixels on an OLED display (38 mm case).
Screen specs
| Points | 136 × 170 pt |
|---|---|
| Pixels | 272 × 340 px |
| Scale | @2x |
| Case size | 38 mm |
| Aspect ratio | 4:5 (1.25) |
| Display type | OLED |
| ProMotion | No |
| Always-On | No |
| Cutout | None |
| Home button | No |
| Release year | 2017 |
Safe area insets
Safe areas haven't been measured for this device yet.
For iOS developers
- A 1 pt line is 2 pixels thick.
- A 44 pt tap target is 88 × 88 pixels.
- Assets: @2x.
WKInterfaceDevice.current().screenBounds: 136 × 170 points (portrait).
Same layout size
Same points and scale (136 × 170 pt at @2x):
Compare
- Previous Apple Watch Series model: Apple Watch Series 2 38mm
- Next Apple Watch Series model: Apple Watch Series 4 40mm
Sources
- Apple Watch Series 3 - Tech Specs, Apple: diagonal, resolution, ppi, display_type, refresh_rate, features
- Xcode 27.1 (27A9275) Simulator: UIKit probe app (scripts/simulator/Measure.swift) and device-type capabilities.plist, measured 2026-10-27, Apple: logical_resolution, scale
Download and cite
/api/devices/apple-watch-series-3-38mm.json: this device as JSON./api/devices.json: every device./api/devices.csv: every device as CSV.- github.com/aryansbtloe/apple-device-screen-specs: the dataset, JSON Schema and validator.
Data: Apple device screen specs by bestlatestapps.com (https://bestlatestapps.com/tools/apple-device-screen-sizes/), licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Built from Apple's published tech specs and Human Interface Guidelines, Wikipedia for model identifiers, and our own Xcode Simulator measurements.
Cite as: Singh, A. (2026). Apple Device Screen Specs (v0.1.0). Zenodo. https://doi.org/10.5281/zenodo.23819103
Link to this tool
Found it useful? You're welcome to link to it from your README, docs or blog.
Questions
What is the Apple Watch Series 3 38mm screen resolution?
272 × 340 pixels, shown as 136 × 170 points at @2x.
Does the Apple Watch Series 3 38mm have the same screen size as the Apple Watch Series 2 38mm?
Yes, for layout: both are 136 × 170 points at @2x, so apps and web pages lay out the same. Both have 272 × 340 pixels.
Data version 0.1.0, generated 2026-10-27.