Shown: reference 123.20.31.20.05.001 · Photo: Omega
Omega

Constellation Co-Axial 31 123.20.31.20 Reference 123.20.31.20.05.001

Constellation Co-Axial 31 Stainless Steel / Red Gold / MOP

Overview

A 31 mm case defines the Omega Constellation Co-Axial 31 123.20.31.20. The movement is the self-winding Omega calibre 8520, with a 50 hour power reserve. Water resistance is 100 metres. The model has 6 references, which differ in dial colour (white, yellow and brown), case material and bracelet.

Case diameter
31 mm
11.87 mm thick
Movement
Calibre 8520
Water resistance
100 m
Power reserve
50 h

Specifications

Specifications from Omega and WatchBase. Last checked . Sources

Case

Diameter
31 mm
Thickness
11.87 mm
Material
Steel - red gold
Crystal
Sapphire
Water resistance
100 m
Weight
113 g

Dial

Colour
White

Movement

Calibre
Omega 8520
Type
Automatic
Power reserve
50 h

Bracelet or strap

Bracelet or strap
Bracelet: Steel - red gold
Clasp
Butterfly clasp

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

Sources

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

MovementOmega calibre 8520Specifications and every watch that uses it

Other versions of the Constellation Co-Axial 31 123.20.31.20

The Omega Constellation Co-Axial 31 123.20.31.20 covers 6 references, with a 31 mm case. All use the Omega calibre 8520.

Compare all 6 references in a table
References of the Omega Constellation Co-Axial 31 123.20.31.20, with dial, case material, size and production years
ReferenceDialCaseSizeProduced
123.20.31.20.05.001WhiteSteel - red gold31 mm–
123.20.31.20.05.002WhiteSteel - yellow gold31 mm–
123.20.31.20.08.001YellowSteel - yellow gold31 mm–
123.20.31.20.13.001BrownSteel - red gold31 mm–
123.20.31.20.55.003WhiteSteel - red gold31 mm–
123.20.31.20.55.004WhiteSteel - yellow gold31 mm–

Constellation Co-Axial 31 123.20.31.20 questions

What size is the Omega Constellation Co-Axial 31 123.20.31.20?

The Omega Constellation Co-Axial 31 123.20.31.20 has a 31 mm case.

What movement does the Omega Constellation Co-Axial 31 123.20.31.20 use?

It uses the Omega calibre 8520.

What is the Omega Constellation Co-Axial 31 123.20.31.20 case made of?

Its references have cases in steel - red gold and steel - yellow gold.

Is the Omega Constellation Co-Axial 31 123.20.31.20 water resistant?

It is rated to 100 m.

How many Omega Constellation Co-Axial 31 123.20.31.20 references are there?

Our database lists 6 references.