Shown: reference 3656.20.31 · Photo: Omega
Omega

Speedmaster Broad Arrow 3656.20.31 Reference 3656.20.31

Speedmaster Broad Arrow Yellow Gold / Enamel

Overview

The Omega Speedmaster Broad Arrow 3656.20.31 has a 42 mm yellow gold case with a white dial. Inside is the self-winding Omega calibre 3303, which has a 55 hour power reserve. The watch is water resistant to 100 metres. The model has one reference, 3656.20.31.

Case diameter
42 mm
13.9 mm thick
Movement
Calibre 3303
Water resistance
100 m
Power reserve
55 h

Specifications

Specifications from Omega and WatchBase. Last checked . Sources

Case

Diameter
42 mm
Thickness
13.9 mm
Lug width
20 mm
Material
Yellow gold
Crystal
Sapphire
Water resistance
100 m
Weight
124 g

Dial

Colour
White

Movement

Calibre
Omega 3303
Type
Automatic
Power reserve
55 h

Not yet recorded: 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 3303Specifications and every watch that uses it

Speedmaster Broad Arrow 3656.20.31 questions

What size is the Omega Speedmaster Broad Arrow 3656.20.31?

The Omega Speedmaster Broad Arrow 3656.20.31 has a 42 mm case.

What movement does the Omega Speedmaster Broad Arrow 3656.20.31 use?

It uses the Omega calibre 3303.

What is the Omega Speedmaster Broad Arrow 3656.20.31 case made of?

The case is yellow gold.

Is the Omega Speedmaster Broad Arrow 3656.20.31 water resistant?

It is rated to 100 m.