Side by side

Omega Constellation Observatory Co Axial Master Chronometer 39 4mmvsGrand Seiko SBGH263

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 Observatory Co Axial Master Chronometer 39 4mm

Owners widely praise the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm for its fantastic presence and discreet elegance, finding it suitable for both suits and casual wear. Reviewers highlight its reinterpretation of vintage design with a pie-pan dial, dog-leg lugs, and kite-shaped hands and indexes, noting its certification as a Master Chronometer. Some owners find the case thick and the lugs awkward, while others prefer its clean design and unique details over other models. One owner wishes to switch straps but notes Omega does not sell alternatives. On balance, owners and reviewers appreciate the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm for its elegant design and Master Chronometer certification, despite some reservations about case thickness and lug design.

Grand Seiko SBGH263

The Grand Seiko SBGH263 is praised for its excellent finishing for the price, with reviewers comparing it to Jaeger-LeCoultre. Owners and reviewers highlight the stunning 'Shironeri' dial and gold hands/numerals, and the 39.5mm case size is considered a perfect fit, referencing vintage Grand Seiko models. The watch features a 55-hour power reserve from its 36,000 BPH movement, though one reviewer felt the date aperture was unnecessary. On balance, owners and reviewers rate the Grand Seiko SBGH263 highly for its exceptional dial and finishing at its price point.

At a glance

13 of 29 specs differ
Diameter
Constellation Observatory Co Axial Master Chronometer 39 4mm39.4mm
SBGH26339.5mm
Power Reserve
Constellation Observatory Co Axial Master Chronometer 39 4mm60h
SBGH26355h
Water Resistance
Constellation Observatory Co Axial Master Chronometer 39 4mm30m
SBGH26330m
MSRP
Constellation Observatory Co Axial Master Chronometer 39 4mm$37,900
SBGH263$6,200

Full specifications

Case

5 specs
Diameter
39.4mm
39.5mm
Thickness
12.23mm
13.1mm
Lug-to-Lug
47.2mm
0mm
Material
18kt Moonshine Gold
Stainless Steel
Finish
O-MEGASTEEL

Crystal & Dial

3 specs
Crystal Shape
Domed
AR Coating
Yes
Dial Color
Silver

Movement

4 specs
Caliber
Omega 8914
9S85
Power Reserve
60h
55h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$37,900
$6,200
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