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Apple Watch Series 11 42mm Screen Size

CSS viewport, native resolution, pixel ratio and pixel density for the Apple Watch Series 11 42mm — the numbers you need to design and build for it.

CSS viewport · portrait
187 × 223 px

Native resolution 374 × 446 px at 2× · 330 PPI · 1.77″ · 1:1.19. Design at 187 × 223 and export assets at 2×.

Apple Watch Series 11 42mm display specifications
PropertyValue
CSS viewport (portrait)187 × 223 px
CSS viewport (landscape)223 × 187 px
Native resolution374 × 446 px
Device pixel ratio
Pixel density330 PPI
Screen diagonal1.77 in
Panel size1.13 × 1.35 in
Aspect ratio1:1.19 (exact 187:223)
Total pixels0.17 MP
Released2025
Operating systemwatchOS

Among the 15 watchs on this site, the Apple Watch Series 11 42mm has the 8th largest CSS viewport area. Its 187 px width is 3 px below the 190 px average for this category.

Targeting the Apple Watch Series 11 42mm in CSS

Device-specific media queries are brittle — a new model with the same width will not match. Use them for genuine per-device fixes only, and prefer width buckets for layout.

CSS media query
/* Target Apple Watch Series 11 42mm specifically */
@media only screen
  and (device-width: 187px)
  and (device-height: 223px)
  and (-webkit-device-pixel-ratio: 2) {
  /* … */
}

/* More useful in practice — the width bucket it falls into */
@media (min-width: 187px) { /* … */ }

Compare with other Smartwatches models

Apple Watch Series 11 42mm compared with nearby Smartwatches models
DeviceCSS viewportNativeDPRPPIDiagonal
Apple Watch Series 11 42mm187 × 223374 × 4463301.77″
Apple Watch Series 11 46mm208 × 248416 × 4963301.96″
Apple Watch Ultra 3211 × 257422 × 5143262.04″
Apple Watch Series 10 42mm187 × 223374 × 4463301.77″
Apple Watch Series 10 46mm208 × 248416 × 4963301.96″
Apple Watch Series 9 41mm176 × 215352 × 4303261.69″
Apple Watch Series 9 45mm198 × 242396 × 4843261.9″
Apple Watch Ultra 2205 × 251410 × 5023381.92″
Apple Watch SE 44mm184 × 224368 × 4483261.76″

Questions about the Apple Watch Series 11 42mm screen

What is the screen size of the Apple Watch Series 11 42mm?

The Apple Watch Series 11 42mm has a 1.77-inch display. In CSS the viewport measures 187 × 223 px in portrait, and the panel itself has 374 × 446 physical pixels at 330 PPI.

What resolution should I design for on the Apple Watch Series 11 42mm?

Design at 187 × 223 and export assets at . That gives you 374 × 446 px images, which is exactly what the panel renders. Designing directly at 374 × 446 means every measurement is 2 times larger than the CSS values you will write.

What is the device pixel ratio of the Apple Watch Series 11 42mm?

The Apple Watch Series 11 42mm reports a device pixel ratio of 2. One CSS pixel therefore covers 4 device pixels. You can read it in JavaScript with window.devicePixelRatio.

Which other devices have the same viewport as the Apple Watch Series 11 42mm?

1 other device shares the 187 × 223 CSS viewport: Apple Watch Series 10 42mm. A layout that works on one works on all of them.

Related

Specifications from the manufacturer's published device data. Last verified 7 August 2026. CSS viewport values are the portrait window.innerWidth/innerHeight reported by the stock browser with no browser chrome. See methodology and sources.