![Clock Key DE 450-175 (10591805583)](http://perrinwatchparts.com/cdn/shop/products/74.270-450-300_300x300.jpg?v=1595351448)
Clock Key DE 450-175 is a double ended Clock Key made of brass. This Double Ended Clock key is used for a winding arbor of 4.50mm and a regulating square of 1.75mm.
Clock Key DE 450-175 is a double ended Clock Key made of brass. This Double Ended Clock key is used for a winding arbor of 4.50mm and a regulating square of 1.75mm.