Nickel in Watches Causes Allergic Reactions - Part I
The composition was also the one to be used in the production of cases for inexpensive watches. Before that only silver was used. Over time the watch industry passed on to make watches of stainless steel. Today pure nickel is used in electroplate watch parts, including bridges and plates that are made of brass. This is done to prevent oxidation of watch parts. Using a thin layer of nickel is all that is needed to protect the parts and maintain their shiny metallic appearance. Throughout the history nickel was also used to create balance springs and pendulum rods. It is worth mentioning that Charles-Edouard Guillaume (1861-1938) in 1920 was awarded a Nobel Prize in Physics. The Swiss International Bureau of Weights and Measures worker was the one to discover anomalies in nickel-steel alloys. His observation led to the discovery of Invar (ferronickel that comprises about 36% nickel. In the watch*** industry nickel is used together with stainless steel. The latter is a material watch*** companies use to create water-resistant cases. However both nickel and watch*** have a lot of other tangency points as well. Nickel Throughout HistoryAn alloy made of nickel, copper and zinc, named "nickel silver," for more than 150 years has been used to crate plates and bridges in some of the most qualitative watches. The nickel silver, which includes about 15 - 20 percent Ni, was the one to replace the brass.