トゥールビヨンの置き時計を作ってみた【Tourbillon】
18:43
Minute repeater mechanism explanation
19:31
高さ3.3m！巨大からくりを作ってみた！
13:51
Cool 3D Printed Mechanical Clock | Tourbillon Mechanica (FDM Version) Assembly Guide
11:27
ジャンピングアワーの置き時計を作ってみた【Jumping Hour】
4:09
Self Winding Sky Watcher Tourbillon Clock
16:07
The process of making seals whose prints float and disappear! Amazing factory in Japan!
4:03
How to eliminate the attitude difference due to gravity in mechanical watches. Multi-Axis Tourbillon
21:10