Max Headroom 
Apple Watch Series 12 models with a ceramic case are physically larger than the same model in aluminum or titanium, according to Apple’s own tech specs.
At 46mm, Apple’s tech specs page lists the aluminum and titanium case at 46mm by 40mm by 9.7mm, while the ceramic case sold under the same 46mm name measures 47mm by 41mm by 9.85mm, a millimeter taller, a millimeter wider, and 0.15mm thicker. The 42mm size follows the same pattern: 42mm by 37mm by 9.7mm for aluminum and titanium, versus 43mm by 37mm by 9.85mm for ceramic, a millimeter taller and 0.15mm thicker, with the width unchanged.
The display is unaffected. Apple lists the same 1,196 sq mm display area at 46mm and 970 sq mm at 42mm across all three materials, meaning the extra size is entirely case, not screen.
The ceramic models are also heavier. At 46mm, the Pearl White ceramic case weighs 51.3 grams and Night Blue weighs 52.9 grams, against 39.5 grams for the equivalent aluminum model and 44.9 grams for titanium, up to 34% heavier than aluminum and 18% heavier than titanium. The 42mm ceramic models weigh 41.7 grams in Pearl White and 42.8 grams in Night Blue, against 32.2 grams for aluminum and 36.5 grams for titanium, up to 33% heavier than aluminum and 17% heavier than titanium.
This appears to be the first time Apple has sold different physical case dimensions under the same nominal watch size. The increased size is presumably a design compromise owing to the entirely different material, although the earlier ceramic Apple Watch Edition models used identical case dimensions across materials at a given size, with only the weight changing between them.
Ceramic returns to the Apple Watch lineup with the Series 12 after a six-year absence, having last been offered on Series 5 in 2019 before Apple dropped it for Series 6 in 2020.
Apple Watch Series 12 in ceramic starts at $899, compared with $399 for aluminum and $699 for titanium, in Pearl White or Night Blue finishes. It launches on September 18.
This article, “Ceramic Apple Watch Series 12 Is Bigger and Heavier Than Other Models” first appeared on MacRumors.com
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