| CALIBRES MANUFACTURED BY MCO | |
|---|---|
| MCO 24 | QUARTZ W/OR W/O SEC |
| MCO 241 | QUARTZ CALD W/CORR - W/OR W/O SEC |
| MCO 242 | QUARTZ CALD (DAY/DATE) W/CORR W/OR W/O SEC |
| MCO 243 | QUARTZ ANALOG SW SEC CAL |
| MCO 253 | QUARTZ ANALOG DSS STOP SEC |
| MCO 255 | QUARTZ ANALOG DSS STOP SEC CALD W/CORR |
| MCO 257 | QUARTZ-ANALOG-DSS-STOP SEC-CALD (DAY -DATE)W/CORR. |