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crwdns2933797:0Jeff Suovanencrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jeff Suovanen

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[* black] Before we treat the souls in this aluminum body, we make sure there is no internal damage and take an X-ray with the help of the experts at [https://www.creativeelectron.com|Creative Electron|new_window=true].
[* 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, and the side button now sits flush.
-[* black] Seen from the side, the Series 4 also brings a slimmer display and case, adding up to a 0.7 mm flatter design.
+[* black] Seen from the side, the Series 4 also brings a slimmer display and case, adding up to a 0.7 mm flatter design—noticeably less than the Series 3, but in fact [https://www.theverge.com/platform/amp/2018/9/12/17852388/apple-watch-series-4-dimensions-size-0-comparison-thick-iphone-event-2018|still a shade thicker than the original|new_window=true].