Swiss made ETA F05.111 3-jewel 3 hand calendar movement with -10/+20 secs accuracy per month M-line lunette case architecture in...

Swiss made Ronda 5021 10-jewel twin register chronograph movement with -10/+20 secs accuracy per month C-line lunette case architecture in...

Swiss made Ronda 5021 10-jewel twin register chronograph movement with -10/+20 secs accuracy per month C-line lunette case architecture in...