Side by side
Omega Constellation Observatory Co Axial Master Chronometer 39 4mmvsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Constellation Observatory Co Axial Master Chronometer 39 4mm39.4mm
SBGW30636.5mm
Power Reserve
Constellation Observatory Co Axial Master Chronometer 39 4mm60h
SBGW30672h
Water Resistance
Constellation Observatory Co Axial Master Chronometer 39 4mm30m
SBGW306100m
MSRP
Constellation Observatory Co Axial Master Chronometer 39 4mm$37,900
SBGW306$17,900
Full specifications
Case
7 specsDiameter
39.4mm
36.5mm
Thickness
12.23mm
11.7mm
Lug-to-Lug
47.2mm
42.7mm
Lug Width
19mm
18mm
Material
18kt Moonshine Gold
Gold
Finish
O-MEGASTEEL
—
Water Resistance
30m
100m
Crystal & Dial
3 specsCrystal Shape
Domed
—
AR Coating
—
Yes
Dial Color
Silver
—
Movement
5 specsCaliber
Omega 8914
9S64
Type
Automatic
Manual
Power Reserve
60h
72h
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$37,900
$17,900
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