They are made for a Rolex GMT with a sapphire crystal for 16700, 16718, 16760, 16713, 16710 and others. BEZEL & INSERT FOR OLD ROLEX GMT 18KY REAL GOLD 1675, 16750, 16753, 16758 BLACK. BEZEL INSERT FOR 40MM ROLEX YACTHMASTER 16622, 16623 WATCH GOLD COLOR.
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