This Seiko 354617 354 617 Winding Stem is a genuine NOS (New Old Stock) product made in Japan. It is made of high-quality stainless steel material and comes in a sleek silver color. This item is compatible with several Seiko models such as Seiko 6118, Seiko 6139, and Seiko 6105.

The stem is highly functional and perfect for replacing a damaged or worn-out stem on your watch. It is a must-have for watch enthusiasts and collectors alike. With this Seiko winding stem, you can rest assured that your watch will keep ticking for years to come.