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Omega serial number checker

Use the complete general or Speedmaster range table and flag references or sequence gaps.

Returns a yearOptional photo OCR
Check your serial number
Spaces, dots, and dashes are fine. Manual checks run in your browser. Photo reads log your IP and usage to enforce daily limits; photos are not stored.

Example: 24069123

Read code from a product photo

JPEG, PNG, WebP, or GIF, up to 10 MiB. AuthenticityHouse forwards the photo to its OCR provider and does not store it.

Reference only—not an authenticity verdict
A plausible date code can appear on a counterfeit, and an unusual or unreadable code does not by itself make an item counterfeit. Use the result as one clue alongside construction, materials, provenance, and expert review.
Decoding guide

How the Omega rule works

Omega's long-running numeric sequence can be compared with milestone years. A dotted model reference is a different number and should not be dated as a serial.

Read it in three passes
Follow the positions in order before interpreting the result.
  1. 1

    Use the plain production serial rather than a dotted model or calibre reference.

  2. 2

    Choose the general table or the separate Speedmaster table after identifying the collection.

  3. 3

    Match the complete number to a published band and keep the result approximate.

Worked examples
See how a visible marking becomes a narrow, readable result.
MarkingInterpretation
24069123→Circa 1966 in the generic milestone table

Where to look

Depending on the period, the serial may be on the movement or exterior case. Use a watchmaker if inspection requires opening the case.

Know the limit

Collection-specific sequences, especially Speedmaster charts, can differ from the generic milestone table.

These rules explain documented marking patterns. They do not prove that an item is authentic.

Full reference

Omega codes, era by era

Omega's numeric movement and case serials support a broad chronology, but public tables are milestone guides rather than a continuous manufacturer-issued calendar. Collection-specific sequences—especially Speedmaster references—can differ.

01Compiled reference

Serial, reference, and calibre are different numbers

Use an undotted production serial for this lookup. A dotted or grouped code can be a case reference or calibre designation instead.

Common Omega identifiers
Marking typeTypical appearanceUse
Production serialUsually seven or eight plain digitsBroad production estimate
Vintage case referenceOften grouped or dotted, such as 145.022Model/case identification
CalibreShort numeric familyMovement design, not an individual date
Modern pictogram or card dataSeveral labeled fieldsTranscribe each label separately
02Compiled reference

General Omega serial table

This movement-serial chart covers Omega watches other than Speedmaster. Its bands are approximate and can differ from completion or sale dates.

General Omega movement-serial bands, excluding Speedmaster
Serial bandIndicative earliest year
1,000,000–1,999,9991894
2,000,000–2,999,9991902
3,000,000–3,999,9991906
4,000,000–4,999,9991910
5,000,000–5,999,9991915
6,000,000–6,999,9991923
7,000,000–7,999,9991930
8,000,000–8,999,9991934
9,000,000–9,999,9991939
10,000,000–10,999,9991944
11,000,000–11,999,9991947
12,000,000–12,999,9991950
13,000,000–13,999,9991952
14,000,000–14,999,9991954
15,000,000–15,999,9991956
16,000,000–16,999,9991958
17,000,000–17,999,9991959
18,000,000–18,999,9991961
19,000,000–19,999,9991962
20,000,000–20,999,9991963
21,000,000–21,999,9991964
22,000,000–22,999,9991965
23,000,000–24,999,9991966
25,000,000–25,999,9991967
26,000,000–27,999,9991968
28,000,000–31,999,9991969
32,000,000–32,999,9991970
33,000,000–33,999,9991971
34,000,000–35,999,9991972
36,000,000–37,999,9991973
38,000,000–38,999,9991974
39,000,000–39,999,9991975
40,000,000–40,999,9991977
41,000,000–41,999,9991978
42,000,000–43,999,9991979
44,000,000–44,999,9991980
45,000,000–45,999,9991982
46,000,000–47,999,9991984
48,000,000–48,999,9991985
49,000,000–50,999,9991986
52,000,000 seriesReported gap; verify the transcription
53,000,000–53,999,9991991
54,000,000–54,999,9991993
55,000,000–55,999,9991995
56,000,000–59,999,9991998
60,000,000–60,999,9991999
61,000,000–64,999,9992000
65,000,000–65,999,9992001
66,000,000–67,999,9992002
68,000,000–69,999,9992003
70,000,000–71,999,9992004
72,000,000–77,999,9992005
78,000,000–80,999,9992006
81,000,000–83,999,9992007
84,000,000 and above2008 or later

The 51-million band is absent from this source table, while the 52-million series is reported unused. Both require transcription and identifier checks rather than interpolation.

03Compiled reference

Separate Speedmaster table

Speedmaster movement serials use their own published chronology. Select this table in the checker only after confirming the collection.

Omega Speedmaster movement-serial bands
Serial bandIndicative production window
14,000,000–14,999,9991957
15,000,000–15,999,9991958
16,000,000–16,999,9991958–1959
17,000,000–17,999,9991960
18,000,000–18,999,9991961
19,000,000–19,999,9991962
20,000,000–21,999,9991963
22,000,000–22,999,9991964–1965
23,000,000–23,999,9991966
24,000,000–25,999,9991967
26,000,000–26,999,9991968
27,000,000–27,999,9991969
28,000,000–30,999,9991970–1971
31,000,000–31,999,9991972
32,000,000–32,999,9991973
33,000,000–33,999,9991975
34,000,000–34,999,9991976
35,000,000–36,999,9991977
37,000,000–37,999,9991978
38,000,000–39,999,9991979
40,000,000–41,999,9991980
42,000,000–42,999,9991981
43,000,000–43,999,9991982
44,000,000–44,999,9991983
45,000,000–45,999,9991984
46,000,000–46,999,9991985
47,000,000–47,999,9991986–1989
48,000,000–48,999,9991990–1999
77,000,000 and above1999 or later

For example, 14 million is about 1954 in the general chart but about 1957 in the Speedmaster chart. Collection context materially changes the result.

04Documented

Location and confirmation

Older serials commonly appear on the movement, while many later watches carry an external serial. Opening a case is not a casual lookup step.

  • Use a watchmaker when the movement number is not externally visible.
  • Compare the serial estimate with the reference, calibre, case construction, and documented service history.
  • An estimated production year can precede the retail sale date.
05

Sources and method

Brand and archive material is preferred where it exists. Public decoding tables are identified as compiled references or observed patterns so their uncertainty stays visible.