Which is cheaper, the Omega Constellation Co Axial Master Chronometer or the Seiko Diamond Collection?

At MSRP the Seiko Diamond Collection is the cheaper of the two at $525, against $8,500 for the Omega Constellation Co Axial Master Chronometer — a $7,975 gap before any retailer discounting.

Which is bigger, the Omega Constellation Co Axial Master Chronometer or the Seiko Diamond Collection?

The Seiko Diamond Collection wears larger at 32mm versus 29mm for the Omega Constellation Co Axial Master Chronometer — a 3mm difference across the dial.

Which has better water resistance, the Omega Constellation Co Axial Master Chronometer or the Seiko Diamond Collection?

The Omega Constellation Co Axial Master Chronometer is rated to 50m versus 10m for the Seiko Diamond Collection.

What movement does the Omega Constellation Co Axial Master Chronometer run compared to the Seiko Diamond Collection?

Both watches run automatic movements — the Omega Constellation Co Axial Master Chronometer uses the Omega 8700 and the Seiko Diamond Collection uses the 6N32.

Side by side

Omega Constellation Co Axial Master ChronometervsSeiko Diamond Collection

Q: Which has a longer power reserve, the Omega Constellation Co Axial Master Chronometer or the Seiko Diamond Collection?

The Omega Constellation Co Axial Master Chronometer carries a 50-hour power reserve against 40 hours on the Seiko Diamond Collection.

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

Omega Constellation Co Axial Master Chronometer

131.10.29.20.52.001

MSRP $8,500

Seiko Diamond Collection

sur579

MSRP $525

At a glance

16 of 29 specs differ

Diameter

Constellation Co Axial Master Chronometer29mm

Diamond Collection32mm

Power Reserve

Constellation Co Axial Master Chronometer50h

Diamond Collection40h

Water Resistance

Constellation Co Axial Master Chronometer50m

Diamond Collection100m

MSRP

Constellation Co Axial Master Chronometer$8,500

Diamond Collection$525

Full specifications

Case

7 specs

Diameter

29mm

32mm

Thickness

12mm

8.2mm

Lug-to-Lug

31.2mm

39mm

Lug Width

—

15mm

Finish

Steel

Brushed and polished

Water Resistance

50m

100m

Caseback

—

Solid

Crystal & Dial

4 specs

Crystal Shape

Domed

Flat

AR Coating

—

Inner

Dial Color

Silver

Black

Indices

—

Applied

Movement

4 specs

Caliber

Omega 8700

6N32

Beat Rate

0 vph

28,800 vph

Power Reserve

50h

40h

Jewels

Pricing

1 specs

MSRP

$8,500

$525

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At a glance

Full specifications

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