crwdns2933803:02crwdne2933803:0
crwdns2933797:0Jeff Suovanencrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jeff Suovanen
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| - | [* black] While |
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| - | [* black] Already our subject presents [guide|97521|some differences from the Series 3|stepid=179025|new_window=true]—the back sports an all-new optical sensor in the middle, surrounded by a new electrode. |
| + | [* black] While these black squares may look outwardly similar, X-rays from our experts at [https://www.creativeelectron.com|Creative Electron|new_window=true] reveal radically different insides. |
| + | [* black] Already our subject presents with [guide|97521|some differences from the Series 3|stepid=179025|new_window=true]—the back sports an all-new optical sensor in the middle, surrounded by a new electrode. |
| [* icon_note] We're looking forward to a closer look at that ECG hardware. | |
| [* black] Other immediate differences from the "old" 42 mm version: the corners are noticeably rounder for more of that ''squircle'' look, and the side button now sits flush with the case. | |
| [* black] Seen from the side, the Series 4 is noticeably slimmer than the Series 3 (by 0.7 mm)—but it's actually [https://www.theverge.com/platform/amp/2018/9/12/17852388/apple-watch-series-4-dimensions-size-0-comparison-thick-iphone-event-2018|thicker than the original|new_window=true]. | |
| + | [* black] From the look of things, a good deal of that slimming is thanks to the new display. |