Mechanical seven segment clock (Clock 7)
13:51
The BEST Mechanical Display You've EVER Seen!!!
18:48
機械式7セグ時計を作ってみた【Mechanical 7 segment display clock】
26:55
RESTORATION OF the VK-1 ARITHMOMETER in 1962 and gave it a second life!
9:29
Power Your Wall Clock Without Batteries! Unbelievable Innovation
16:55
7 Segment Counter v3.0, Tutorial, 3D Printed, STL Files Link
26:11
I successfully restoration a ROLEX watch worth millions of dollars
27:06
Jouer de la musique sur le plus vieil ordinateur en état de marche d'Amérique !
14:41