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Omega Seamaster 120M watches

The Omega Seamaster 120M family covers 15 models and 15 references, with case sizes from 25 mm to 42 mm.

15 models · 15 references

Speedmaster MoonwatchSeamaster Diver 300MSeamaster Planet OceanSpeedmaster Broad Arrow
Filters

Collections

  • Speedmaster Moonwatch48
  • Seamaster Diver 300M145
  • Seamaster Planet Ocean128
  • Speedmaster Broad Arrow38
  • Speedmaster Reduced38
  • Seamaster 120M15
  • Seamaster 30014
  • Speedmaster '5710
Show all 16
  • Speedmaster Chronoscope7
  • Seamaster PloProf5
  • Speedmaster Dark Side of the Moon5
  • Speedmaster First Omega in Space4
  • Seamaster Bullhead2
  • Speedmaster Pilot1
  • More Seamaster models6
  • Speedmaster Automatic and Quartz102
Size
Case material
Dial colour
Movement type
Movement (calibre)
Water resistance

15 models

  • Omega Seamaster 120M Automatic 25 2581.31.00, reference 2581.31.00, silver dial, stainless steel case
    OmegaSeamaster 120M Automatic 25 2581.31.00silver dial1 reference25 mm
  • Omega Seamaster 120M Automatic 25 2581.81.00, reference 2581.81.00, blue dial, stainless steel case
    OmegaSeamaster 120M Automatic 25 2581.81.00blue dial1 reference25 mm
  • Omega Seamaster 120M Automatic 36.25 2301.11.00, reference 2301.11.00, yellow dial, stainless steel and yellow gold case
    OmegaSeamaster 120M Automatic 36.25 2301.11.00yellow dial1 reference36.3 mm
  • Omega Seamaster 120M Automatic 36.25 2301.21.00, reference 2301.21.00, white dial, stainless steel and yellow gold case
    OmegaSeamaster 120M Automatic 36.25 2301.21.00white dial1 reference36.3 mm
  • Omega Seamaster 120M Automatic 36.25 2501.21.00, reference 2501.21.00, white dial, stainless steel case
    OmegaSeamaster 120M Automatic 36.25 2501.21.00white dial1 reference36.3 mm
  • Omega Seamaster 120M Automatic 36.25 2501.31.00, reference 2501.31.00, silver dial, stainless steel case
    OmegaSeamaster 120M Automatic 36.25 2501.31.00silver dial1 reference36.3 mm
  • Omega Seamaster 120M Automatic 36.25 2501.51.00, reference 2501.51.00, black dial, stainless steel case
    OmegaSeamaster 120M Automatic 36.25 2501.51.00black dial1 reference38.8 mm
  • Omega Seamaster 120M Automatic 36.25 2501.81.00, reference 2501.81.00, blue dial, stainless steel case
    OmegaSeamaster 120M Automatic 36.25 2501.81.00blue dial1 reference36.3 mm
  • Omega Seamaster 120M Quartz 26.8, reference 2571.81.00, blue dial, stainless steel case
    OmegaSeamaster 120M Quartz 26.81 reference26.8 mm
  • Omega Seamaster 120M Quartz 34.8 Stainless, reference 2311.81.00, blue dial, stainless steel and yellow gold case
    OmegaSeamaster 120M Quartz 34.8 Stainless1 reference34.8 mm
  • Omega Seamaster 120M Quartz 36.25 2511.21.00, reference 2511.21.00, white dial, stainless steel case
    OmegaSeamaster 120M Quartz 36.25 2511.21.00white dial1 reference36.3 mm
  • Omega Seamaster 120M Quartz 36.25 2511.31.00, reference 2511.31.00, silver dial, stainless steel case
    OmegaSeamaster 120M Quartz 36.25 2511.31.00silver dial1 reference36.3 mm
  • Omega Seamaster 120M Quartz 36.25 2511.81.00, reference 2511.81.00, blue dial, stainless steel case
    OmegaSeamaster 120M Quartz 36.25 2511.81.00blue dial1 reference36.3 mm
  • Omega Seamaster 120M Quartz 41 2311.11.00, reference 2311.11.00, yellow dial, stainless steel and yellow gold case
    OmegaSeamaster 120M Quartz 41 2311.11.00yellow dial1 reference42 mm
  • Omega Seamaster 120M Quartz 41 2311.21.00, reference 2311.21.00, white dial, stainless steel and yellow gold case
    OmegaSeamaster 120M Quartz 41 2311.21.00white dial1 reference42 mm

Movements

Key movements

  • Omega calibre 1120 6 references
  • Omega calibre 1538 6 references
  • Omega calibre 1424 3 references

Questions

Omega Seamaster 120M questions

How many Omega Seamaster 120M watches are on Watchnik?

Watchnik lists 15 Omega Seamaster 120M models and 15 references.

What case sizes do Omega Seamaster 120M watches come in?

Recorded case diameters run from 25 mm to 42 mm across the 15 references.

Which movement is used most in Omega Seamaster 120M watches?

The Omega calibre 1120 appears in the most references, 6 of them.

Sources

Sources and last updated

Specifications are compiled from watch database records and manufacturer information; missing values are shown as not yet recorded, never estimated. Data last updated 29 September 2026. How we source our data

Watchnik

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