Eterna calibre numbers
Year of production
| Year of production | Calibre | Year of production | Calibre | Year of production | Calibre | Year of production | Calibre | ||||
| 1939 | 835 | 1952 | 1324 | 1961 | 1421 D | 1969 | 1497 | ||||
| 1940 | 834 | 1952 | 1401 | 1961 | 1422 D | 1970 | 1521 | ||||
| 1941 | 833 | 1952 | 1402 | 1961 | 1424 D | 1970 | 1522 | ||||
| 1942 | 1033 | 1952 | 1403 | 1961 | 1426 D | 1970 | 1523 | ||||
| 1944 | 1034 | 1952 | 1411 | 1961 | 1436 | 1970 | 1524 | ||||
| 1944 | 1076 | 1952 | 1412 | 1961 | 1446 | 1970 | 1541 | ||||
| 1944 | 1077 | 1952 | 1414 | 1962 | 1456 | 1970 | 1542 | ||||
| 1946 | 1158 | 1952 | 1416 | 1962 | 1466 | 1970 | 1543 | ||||
| 1946 | 1159 | 1952 | 1421 | 1966 | 1453 | 1970 | 1544 | ||||
| 1949 | 1194 | 1952 | 1422 | 1966 | 1457 | 1970 | 1550 | ||||
| 1949 | 1195 | 1952 | 1424 | 1966 | 1459 | 1970 | 1551 | ||||
| 1949 | 1198 | 1952 | 1426 | 1967 | 1463 | 1972 | 12670 | ||||
| 1949 | 1199 | 1952 | 1441 | 1967 | 1470 | 1972 | 12671 | ||||
| 1950 | 1237 | 1952 | 1444 | 1967 | 1471 | 1972 | 12821 | ||||
| 1950 | 1239 | 1955 | 1419 | 1967 | 1478 | 1972 | 12824 | ||||
| 1950 | 1246 | 1955 | 1420 | 1967 | 1479 | 1972 | 12825 | ||||
| 1950 | 1247 | 1956 | 1428 | 1967 | 1480 | 1973 | 1504 | ||||
| 1950 | 1348 | 1956 | 1429 | 1967 | 1481 | 1973 | 1504 B | ||||
| 1950 | 1249 | 1956 | 1438 | 1967 | 1488 | 1973 | 1555 | ||||
| 1950 | 1254 | 1956 | 1439 | 1967 | 1489 | 1973 | 1556 | ||||
| 1952 | 1319 | 1961 | 1411 D | 1967 | 1500 | 1973 | 12670B | ||||
| 1952 | 1321 | 1961 | 1412 D | 1967 | 1501 | 1973 | 12678 | ||||
| 1952 | 1323 | 1961 | 1414 D | 1968 | 1487 | 12836 |
