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Century Time Gems : ウィキペディア英語版 | Century Time Gems
Century Time Gems Ltd was founded on January 5, 1966, by Hans-Ulrich Klingenberg, the first day upon the abolition of the "Statut horloger", which had prohibited the entry of newcomers into the watch industry for almost 40 years. ==Vacuum Chronometer Corporation== The Company was firstly called Vacuum Chronometer Corp., which manufactured vacuum watches (sold under several well-known trademarks), of his own invention: the air being the vector of moisture and all impurities as well as of temperature differences that impair the automatic movements' chronometer precision, Klingenberg had devised a watch case where a void of 80% could be created and maintained. Furthering his vision of the perfected watch, he soon started manufacturing such cases in Boron carbide, followed by sapphire (corundum).
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