0, 4, 6, 8, 11 mm

This vintage Bergeon No. 2308 clock key is a rare find for any watch enthusiast. Made in Switzerland, this nickled brass key is a must-have for those looking to repair or restore their favorite timepieces. The key is NOS, making it a great addition to any collection.

The Bergeon brand is known for its quality and precision, and this clock key is no exception. With its unique design and durable construction, it is sure to be a valuable tool for years to come. Whether you are a watchmaker or simply someone who appreciates vintage items, this clock key is a great choice.