An entire case made of sapphire!
http://www.materialsforengineering.co.uk/engineering-materials-news/3D-modelling-creates-sapphire-case-for-luxury-timepiece/75085/265993/
@gridds started
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An entire case made of sapphire!
http://www.materialsforengineering.co.uk/engineering-materials-news/3D-modelling-creates-sapphire-case-for-luxury-timepiece/75085/265993/