They are made for a Rolex GMT with a sapphire crystal for 16700, 16710, 16718, 16760 and others. BEZEL + RETAINING + INSERT FOR ROLEX GMT 18K REAL GOLD 16700 16710 BROWN. BEZEL + RETAINING INSERT FOR ROLEX GMT 18KY REAL GOLD 1675, 16750, 16753 BLACK.
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