Great article with lead designer of the Phone from Essential.
She talks about some of the design decisions that went into the ceramic back and titanium sides. Turns out doing colors in ceramic is not easy.
In order to get the ocean depths color just right, the plant made almost 40 iterations of it until Jiang was satisfied — but they only made one chip of each color per day
The Ocean Depth Phone with the copper sides looks really sharp in person – and I should know, I have one.