Today, coinciding with the announcement of the Apple Watch Series 5, Apple has launched Apple Watch Studio, a way to mix and match Watch casings and Watch straps to order the exact Apple Watch Series 5 that you want.

from https://www.theverge.com/2019/9/10/20859708/apple-watch-studio-case-band-strap-aluminum-stainless-steel-titanium-ceramic
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