Maurice Lacroix Roue Carree Seconde watch, with square shaped gear wheel. 0:55 video:
https://www.youtube.com/watch?v=zKmmLeWRbTU
Previously:
https://www.homemadetools.net/forum/...826#post167566
https://www.homemadetools.net/forum/...956#post156810
https://www.homemadetools.net/forum/...506#post151260
https://www.homemadetools.net/forum/...215#post145902
https://www.homemadetools.net/forum/...269#post130848
https://www.homemadetools.net/forum/...155#post126096
https://www.homemadetools.net/forum/...023#post129805
https://www.homemadetools.net/forum/...061#post115398
https://www.homemadetools.net/forum/...999#post103073
