Side by side

Omega Constellation Co Axial Master ChronometervsGrand Seiko SBGY002

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Constellation Co Axial Master Chronometer

Owners widely praise the Omega Constellation Co Axial Master Chronometer as an underrated model and a potential heirloom, appreciating its handsome, well-built design with a silky sun-brushed dial. Some owners express pride in ownership, viewing it as a significant achievement. One reviewer notes the 41mm variant's 50m water resistance and scarcity of lume disqualify it as a sports watch, though it is considered a precision chronometer. Owners desire more strap options, finding the integrated bracelet's notched design limits compatibility with standard straps. Overall, owners and reviewers rate the Omega Constellation Co Axial Master Chronometer highly for its design and build quality, with strap versatility being a minor point of contention.

Grand Seiko SBGY002

Owners and reviewers widely praise the Grand Seiko SBGY002 for its impeccable design, finishing, and attention to detail, highlighting its slender 38.5mm case and thin profile for comfortable wear. The Spring Drive movement, calibre 9R31, is noted for its accuracy within one second per day and a 72-hour power reserve, with one owner appreciating the movement's finishing and the watch's overall class and simplicity, preferring the power reserve indicator on the case back. The Snowflake dial's appearance changes with light, often appearing less yellow than expected, and a matte blue strap can make the SBGY002 more casual for daily wear, complementing the seconds hand. The Grand Seiko SBGY002 is considered a home run for its combination of iconic dial and dress case, though its yellow gold construction and price point position it differently than steel alternatives.

At a glance

18 of 29 specs differ
Diameter
Constellation Co Axial Master Chronometer29mm
SBGY00238.5mm
Power Reserve
Constellation Co Axial Master Chronometer50h
SBGY00272h
Water Resistance
Constellation Co Axial Master Chronometer50m
SBGY00230m
MSRP
Constellation Co Axial Master Chronometer$11,200
SBGY002$30,000

Full specifications

Case

8 specs
Diameter
29mm
38.5mm
Thickness
12mm
10.2mm
Lug-to-Lug
31.2mm
43.7mm
Lug Width
19mm
Material
Steel & Yellow Gold
Gold
Finish
Steel
Brushed and polished
Water Resistance
50m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Domed
Flat
AR Coating
Yes
Dial Color
Silver
Black
Indices
Applied

Movement

5 specs
Caliber
Omega 8700
9R31
Type
Automatic
Spring Drive
Beat Rate
0 vph
28,800 vph
Power Reserve
50h
72h
Jewels
0
25

Pricing

1 specs
MSRP
$11,200
$30,000
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