read it from another watch forum and googled it
S seikomatic · Registered Joined Mar 31, 2010 · 443 Posts Discussion Starter · #1 · Aug 27, 2014 Only show this user read it from another watch forum and googled it
7s26b · Researcher Joined Apr 1, 2010 · 5,311 Posts #2 · Aug 27, 2014 (Edited) Only show this user Yes, it's been in our archive for quite a while (three years) - http://www.thewatchsite.com/12-refe...struments-tourbillon-movement-patent-pdf.html
Yes, it's been in our archive for quite a while (three years) - http://www.thewatchsite.com/12-refe...struments-tourbillon-movement-patent-pdf.html