Citizen Watch is a Japanese watch manufacturer that has become involved in the space industry through a partnership with ispace, a lunar exploration company. Citizen provides its Super Titanium™ material and surface-hardening technology for use in components of ispace's HAKUTO-R lunar lander and rover, specifically the landing legs. This collaboration aims to improve the reliability and environmental resistance of spacecraft parts, utilizing technology originally developed for watches. They are also creating limited-edition watches inspired by space in partnership with ispace.
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ispace partnered with Citizen Watch Co. to provide special processing techniques for titanium components on the lander.