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公开(公告)号：US20200262740A1
公开(公告)日：2020-08-20
申请号：US16791453
申请日：2020-02-14
Applicant: ROLEX SA
Inventor： Maria-Isabel Borges-Machado , Alexandra Roulet
Abstract: A transparent timepiece component, in particular a watch glass, has a substantially planar or curved interior surface, and has mainly a transparent material colored by a zone of modified chemical composition within the component through an introduction of at least one coloring chemical element of the transparent material, this zone of modified chemical composition extending in one part only of the total thickness of the timepiece component.
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