What material do you use for the watch glass? Oliver Theis Berthelsen April 22, 2018 15:27 Updated Follow The best-hardened mineral glass available. Related articles Which movement type is used in Nordgreen watches? What type of leather are the straps made of? How long is the battery life of my watch? Do you sell vegan watches? Are Nordgreen watches waterproof? Comments 0 comments Please sign in to leave a comment.