That would be pretty cool. But at some point you’d still want to upgrade the watch-face/case for a newer screen. For me, that’s the crux of why they don’t appeal to me. A watch that becomes obsolete is too much like a wedding ring or a good-luck charm becoming obsolete. A watch is more than a tool for me and a lot of other people; it’s a cherished memento that shares your life. I engraved my Oris automatic watch with an inscription: Fons vitae caritas (Love is the fountain of life). It’s a pun since, being wound by my body movement, it’s literally powered by my heart 
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