Open dataset · CC BY 4.0

Apple Watch Series 10 42mm screen size

Apple Watch Series 10 42mm: 187 × 223 points at @2x, which is 374 × 446 pixels at 326 ppi on an OLED display (42 mm case).

Screen specs

Apple Watch Series 10 42mm screen specs
Points	187 × 223 pt
Pixels	374 × 446 px
Scale	@2x
PPI (Apple)	326
Case size	42 mm
Aspect ratio	187:223 (1.1925)
Display type	OLED
ProMotion	No
Always-On	Yes
Cutout	None
Home button	No
Release year	2024

Safe area insets

Safe areas haven't been measured for this device yet.

Corner radius (unofficial)

44 pt (unofficial). Apple doesn't publish this; measured from the Simulator's private display corner radius.

UNOFFICIAL: DeviceCornerRadius key in the Simulator device type (source: Xcode 27.1 Simulator device type 'Apple Watch Series 10 (42mm)', Apple Watch Series 10 (42mm).simdevicetype capabilities.plist (static, not booted)); on the booted iOS 27 device types this key matched the private UIScreen _displayCornerRadius to within 0.34 pt (it differs only for the iPhone 12 family: 47/53 vs 47.33/53.33). Apple does not publish this value

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: 187 × 223 points (portrait).

Same layout size

Same points and scale (187 × 223 pt at @2x):

Compare

Apple Watch Series 11 42mm vs Apple Watch Series 10 42mm
Apple Watch Series 10 42mm vs Apple Watch Series 9 41mm
Previous Apple Watch Series model: Apple Watch Series 9 41mm
Next Apple Watch Series model: Apple Watch Series 11 42mm

Sources

Apple Watch Series 10 - 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: corner_radius (unofficial), logical_resolution, scale

Download and cite

/api/devices/apple-watch-series-10-42mm.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

Also on: Zenodo and Kaggle

Link to this tool

Found it useful? You're welcome to link to it from your README, docs or blog.

HTML

<a href="https://bestlatestapps.com/tools/apple-device-screen-sizes/apple-watch-series-10-42mm/">Apple Watch Series 10 42mm screen size</a> – Apple Watch Series 10 42mm: OLED screen, 187×223 points at @2x, 374×446 px, 326 ppi.

Markdown

[Apple Watch Series 10 42mm screen size](https://bestlatestapps.com/tools/apple-device-screen-sizes/apple-watch-series-10-42mm/) – Apple Watch Series 10 42mm: OLED screen, 187×223 points at @2x, 374×446 px, 326 ppi.

Dataset credit (CC BY 4.0)

Data: [Apple device screen specs](https://bestlatestapps.com/tools/apple-device-screen-sizes/) by bestlatestapps.com, CC BY 4.0

Questions

What is the Apple Watch Series 10 42mm screen resolution?

374 × 446 pixels at 326 ppi, shown as 187 × 223 points at @2x.

Does the Apple Watch Series 10 42mm have the same screen size as the Apple Watch Series 12 42mm?

Yes, for layout: both are 187 × 223 points at @2x, so apps and web pages lay out the same. Both have 374 × 446 pixels.

Data version 0.1.0, generated 2026-10-27.