Side by side

Omega Constellation Co Axial Master ChronometervsGrand Seiko STGF387

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

Constellation Co Axial Master Chronometer
OmegaConstellation Co Axial Master Chronometer
MSRP $11,200
STGF387
Grand SeikoSTGF387
MSRP $4,200
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 STGF387

Grand Seiko is praised for its stunning Shunbun dial, with color and texture that shift from powder blue to light purple depending on the light, and its 44GS-style case. Some owners wish for a larger, diamond-free option for a unisex watch, and others lament the lack of a Spring Drive movement in a smaller case. One owner finds the Spring Drive version too thick and wishes it were 9F quartz powered. Owners widely report Grand Seiko offers finishing and quality on par with or exceeding Swiss luxury brands, though some find their bracelets inferior. Overall, owners rate Grand Seiko highly for its unique and beautiful dial finishing.

At a glance

18 of 29 specs differ
Diameter
Constellation Co Axial Master Chronometer29mm
STGF38726mm
Power Reserve
Constellation Co Axial Master Chronometer50h
STGF38740h
Water Resistance
Constellation Co Axial Master Chronometer50m
STGF387100m
MSRP
Constellation Co Axial Master Chronometer$11,200
STGF387$4,200

Full specifications

Case

8 specs
Diameter
29mm
26mm
Thickness
12mm
8.1mm
Lug-to-Lug
31.2mm
32.9mm
Lug Width
13mm
Material
Steel & Yellow Gold
Stainless Steel
Finish
Steel
Brushed and polished
Water Resistance
50m
100m
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
4J51
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
50h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$11,200
$4,200
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Omega Constellation Co Axial Master Chronometer vs Grand Seiko STGF387 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.