• It's About Time
  • Posts
  • Watch School Wednesday: The Environmental Reality of Sapphire Crystal Watchmaking

Watch School Wednesday: The Environmental Reality of Sapphire Crystal Watchmaking

A single domed sapphire crystal makes up for up 88% of a watch's total manufacturing energy consumption and CO2 emissions

logo

Subscribe to The Watch Club to find Your Next Watch

Become a paying subscriber to support the newsletter and see the weekly selection of interesting watches to buy.

Upgrade

A subscription gets you: :

  • weekly Find Your Next Watch
  • early access to reviews
  • Watch School Wednesday posts
  • a look at watches you haven't seen before
  • historical deep dives
Already a subscriber?Sign in.