Seamaster 120M Automatic 25 2581.31.00 Reference 2581.31.00

Seamaster 120M Automatic 25 Stainless Steel / Silver

Overview

The Omega Seamaster 120M Automatic 25 2581.31.00 comes in a 25 mm steel case with a silver dial. It runs on the quartz Omega calibre 1424 and is water resistant to 120 metres. The model has one reference, 2581.31.00. It comes on a steel bracelet and is no longer in production.

Case diameter: 25 mm
Movement: Calibre 1424
Water resistance: 120 m
Dial: Silver

Specifications

Specifications from Omega and WatchBase. Last checked 6 October 2026. Sources

Case

Diameter: 25 mm
Material: Steel
Crystal: Sapphire
Water resistance: 120 m

Dial

Colour: Silver

Movement

Calibre: Omega 1424
Type: Quartz

Bracelet or strap

Bracelet or strap: Bracelet: Steel

Not yet recorded: thickness, lug width, lug-to-lug, case back, shape, indexes, hands, functions, years.

Sources

Omega: case, water resistance, dial, movement, bracelet. View sources
WatchBase: case, water resistance. View sources

Missing values are shown as not yet recorded, never estimated. How we source our data

MovementOmega calibre 1424Specifications and every watch that uses it

Seamaster 120M Automatic 25 2581.31.00 questions

What size is the Omega Seamaster 120M Automatic 25 2581.31.00?

The Omega Seamaster 120M Automatic 25 2581.31.00 has a 25 mm case.

What movement does the Omega Seamaster 120M Automatic 25 2581.31.00 use?

It uses the Omega calibre 1424.

What is the Omega Seamaster 120M Automatic 25 2581.31.00 case made of?

The case is steel.

Is the Omega Seamaster 120M Automatic 25 2581.31.00 water resistant?

It is rated to 120 m.