Through the sapphire crystal window on the case back of Chopard's new L.U.C Tourbillon QF Fairmined watch and you can see the Au 750 Fairmined gold certification hallmark

Through the sapphire crystal window on the case back of Chopard's new L.U.C Tourbillon QF Fairmined watch and you can see the Au 750 Fairmined gold certification hallmark.

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