The JAPAN LIMITED EDITION Tonneau Moon See-Through Design 3HD Automatic is made of durable optical grade K9 glass. K9 glass is used in highly technical industrial fields such as photography, astronomy, microscopy and laser technology.

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The JAPAN LIMITED EDITION Tonneau Moon See-Through Design 3HD Automatic is made of durable optical grade K9 glass. K9 glass is used in highly technical industrial fields such as photography, astronomy, microscopy and laser technology.