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公开(公告)号：US20210088972A1
公开(公告)日：2021-03-25
申请号：US17026330
申请日：2020-09-21
Applicant: ROLEX SA
Inventor： Denis Favez , Stefano Hénin
Abstract: A horology component based on a fragile material, wherein said component comprises at least one surface part of fragile material covered with a coating (10) comprising at least two layers CE of elastic material (11) separated by a layer CR of a material (12) stronger than the elastic material (11).
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