5 SIMPLE TECHNIQUES FOR ROLEX OP 39

oyster perpetual 31mmThe Oyster case from the Oyster Perpetual versions is assured watertight to your depth of one hundred metres (330 ft). Its middle case is crafted exclusively from the stable block of Oystersteel, a very corrosion-resistant alloy. The case back, edged with fantastic fluting, is hermetically screwed down using a Particular Instr