Identification of OMEGA Models Based on the Emblems on Their Dials
| Emblem | Meaning |
|---|---|
| Ω | Omega (General) |
| Seamaster | Water-resistant, introduced in 1948 |
| Constellation | High-precision chronometers, launched in 1952 |
| Geneve | Classic model, mostly from the 60s and 70s |
| De Ville | An elegant and independent line since 1967 |
| Speedmaster | Chronographs, including the Moonwatch |
Movement Numbers and Production Dates of OMEGA Watches
| Movement Number | Earliest Production Year |
|---|---|
| 1,000,000 | 1894 |
| 2,000,000 | 1902 |
| 3,000,000 | 1906 |
| 4,000,000 | 1910 |
| 5,000,000 | 1915 |
| 6,000,000 | 1923 |
| 7,000,000 | 1930 |
| 8,000,000 | 1934 |
| 9,000,000 | 1936 |
| 10,000,000 | 1944 |
| 11,000,000 | 1947 |
| 12,000,000 | 1950 |
| 13,000,000 | 1952 |
| 14,000,000 | 1954 |
| 15,000,000 | 1956 |
| 16,000,000 | 1958 |
| 17,000,000 | 1959 |
| 18,000,000 | 1961 |
| 19,000,000 | 1962 |
| 20,000,000 | 1963 |
| 21,000,000 | 1964 |
| 22,000,000 | 1965 |
| 23,000,000 | 1966 |
| 24,000,000 | 1966 |
| 25,000,000 | 1967 |
| 26,000,000 | 1967 |
| 27,000,000 | 1968 |
| 28,000,000 | 1969 |
| Movement Number | Earliest Production Year |
|---|---|
| 29,000,000 | 1969 |
| 30,000,000 | 1969 |
| 31,000,000 | 1969 |
| 32,000,000 | 1970 |
| 33,000,000 | 1971 |
| 34,000,000 | 1972 |
| 35,000,000 | 1972 |
| 36,000,000 | 1973 |
| 37,000,000 | 1973 |
| 38,000,000 | 1974 |
| 39,000,000 | 1975 |
| 40,000,000 | 1977 |
| 41,000,000 | 1978 |
| 42,000,000 | 1979 |
| 43,000,000 | 1979 |
| 44,000,000 | 1980 |
| 45,000,000 | 1982 |
| 46,000,000 | 1984 |
| 47,000,000 | 1984 |
| 48,000,000 | 1985 |
| 49,000,000 | 1986 |
| 50,000,000 | 1986 |
| 51,000,000 | 1989 |
| 52,000,000 | 1989 |
| 53,000,000 | 1991 |
| 54,000,000 | 1993 |
| 55,000,000 | 1995 |
| 56,000,000 | 1998 |
Omega Speedmaster Professional
| YEAR |
CALIBER |
MOVEMENT SERIAL NUMBER |
YEAR |
CALIBER |
MOVEMENT SERIAL NUMBER |
|---|---|---|---|---|---|
| 1957 | 321 | 14xxxxxx | 1982 | 861 | 43xxxxxx |
| 1958 | 321 | 15xxxxxx 16xxxxxx | 1983 | 861 | 44xxxxxx |
| 1959 | 321 | 16xxxxxx | 1984 | 861 | 45xxxxxx |
| 1960 | 321 | 17xxxxxx | 1985 | 861 | 46xxxxxx |
| 1961 | 321 | 18xxxxxx | 1986 | 861 | 47xxxxxx |
| 1962 | 321 | 18xxxxxx 19xxxxxx | 1987 | 861 | 4725xxxx |
| 1963 | 321 | 20xxxxxx 21xxxxxx | 1988 | 861 | 4750xxxx |
| 1964 | 321 | 22xxxxxx | 1989 | 861 | 4775xxxx |
| 1965 | 321 | 22xxxxxx | 1990 | 861 | 4800xxxx |
| 1966 | 321 | 23xxxxxx | 1991 | 861 | 4823xxxx |
| 1967 | 321 | 24xxxxxx 25xxxxxx | 1992 | 861 | 4827xxxx |
| 1968 | 321, 861 | 26xxxxxx | 1993 | 861 | 4829xxxx |
| 1969 | 861 | 26xxxxxx 27xxxxxx | 1994 | 861 | 4830xxxx |
| 1970 | 861 | 28xxxxxx | 1995 | 861 | 4832xxxx |
| 1971 | 861 | 29xxxxxx | 1996 | 861 | 4833xxxx |
| 1972 | 861 | 30xxxxxx | 1997 | 861, 1861 | 4834xxxx |
| 1973 | 861 | 31xxxxxx | 1998 | 1861 | 4835xxxx |
| 1974 | 861 | 32xxxxxx | 1999 | 1861 | 4840xxxx 7700xxxx |
| 1975 | 861 | 33xxxxxx | 2000 | 1861 | 7701xxxx |
| 1976 | 861 | 34xxxxxx | 2001 | 1861 | 7702xxxx |
| 1977 | 861 | 35xxxxxx 36xxxxxx | 2002 | 1861 | 7703xxxx |
| 1978 | 861 | 37xxxxxx | 2003 | 1861 | 7704xxxx |
| 1979 | 861 | 38xxxxxx 39xxxxxx | 2004 | 1861 | 7705xxxx |
| 1980 | 861 | 40xxxxxx 41xxxxxx | 2005 | 1861 | 7706xxxx |
| 1981 | 861 | 42xxxxxx | 2006 | 1861 | 771xxxx |
Omega Codes for 7-Digit Reference Numbers
Example: Ref. BB.145.xxxx = 18K rose gold men’s manual chronograph wristwatch, water-resistant.
The last four digits refer to the type of case, dial, and bracelet.
| 1st Digit | 2nd Digit | 3rd Digit |
|---|---|---|
| 1 - Men’s wristwatch | 1 - Manual winding without seconds hand | 1 - Not water-resistant |
| 2 - Men’s jewelry watch | 2 - Manual winding with small seconds | 2 - Calendar, not water-resistant |
| 3 - Men’s wristwatch with bracelet | 3 - Manual winding with central seconds hand | 3 - Chronometer, not water-resistant |
| 4 - Men’s pendant watch | 4 - Manual winding with sweeping central seconds hand | 4 - Chronograph, not water-resistant |
| 5 - Men’s chronograph watch | 5 - Manual winding with calendar | 5 - Water-resistant |
| 6 - Ultra-thin men’s watch | 6 - Manual winding with chronograph and calendar | 6 - Water-resistant with calendar |
| 7 - Pocket watch | 7 - Automatic winding | 7 - Water-resistant chronometer |
| 8 - Ultra-thin pocket watch | 8 - Automatic winding with calendar | 8 - Water-resistant chronograph |
