This is a genuine and brand new winding stem part 401 for Patek Philippe Cal 8-85 movement. Made of high-quality stainless steel, it is compatible with Patek Philippe watches and manufactured in Switzerland. If you are in need of a replacement part for your Patek Philippe watch, this winding stem is an excellent choice. It ensures smooth and accurate winding of your timepiece, giving it the care and attention it deserves. Don't settle for less, choose only genuine and reliable parts for your watch.
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