This tourbillon, the swiftest on earth, completes a person rotation in only 5 seconds and is driven by nothing lower than four barrels. It capabilities an unique escapement system that is totally reversed from a standard a single. よゐこ有野晋哉のちょっと変わったコレクションを紹介！ 一癖ある時計を大公�?! 紹介してきた中の話はあくまで「正規メーカー」に直接オーバーホールを依頼する、とい... https://ignacyq429cjp3.bloggazza.com/profile