Old Designation | 30.10 mm subseconds | Calibre Number | Seconds | Date | Springs | Regulation | Chronometer | |
30.10 RA PC | 330 | subseconds | none | exposed | standard | no | ||
30.10 RA PC AM JUB | 331 see photo below | subseconds | none | exposed | standard | yes "Jubilee" | ||
332 | subseconds | none | covered | standard | no | |||
333 | subseconds | none | covered | "rg" fine regulation | Yes |
Old Designation | 28.10 mm subseconds | Calibre Number | Seconds | Date | Springs | Regulation | Chronometer | |
28.10 RA PC | 340 see photo below | subseconds | none | exposed | standard | no | ||
28.10 RA PC BULL | 341 | subseconds | none | exposed | standard | Yes | ||
342 | subseconds | none | covered | standard | yes | |||
343 see photo below | subseconds | none | covered | "rg" fine regulation | Yes | |||
344 see photo below | subseconds | none | covered | swans neck regulation | Yes |
Old Designation | 28.10 mm center seconds, no date | Calibre Number | Seconds | Date | Springs | Regulation | Chronometer | |
28.10 RA SC PC AM | 350 | center seconds | none | exposed | standard | no | ||
351 see photo below | center seconds | none | covered | Yes | ||||
352 see photo below | center seconds | none | covered | "rg" fine regulation | Yes | |||
354 see photo below | center seconds | none | covered | swans neck regulation | Yes |
Old Designation | 28.10 mm center seconds with date | Calibre Number | Seconds | Date | Springs | Regulation | Chronometer | |
353 see photo below | center seconds | none | covered | standard | no | |||
355 | center seconds | none | covered | swans neck regulation | Yes |