Datasheets
Ronda S.A. Lausen
| Parts list caliber 4131 > 4439 | Ronda_4131.pdf | 4580048 Bytes | February 3 2007 | |
| Parts list and drawings caliber 5111 | Ronda_5111.pdf | 2516212 Bytes | February 5 2007 | |
| Overview of old mechanical caliber | Ronda_Overview.pdf | 2141676 Bytes | February 3 2007 |
The datasheets are provided by ERMANO UHRWERKE GMBH.