Side by side
Omega Constellation Co Axial Master ChronometervsSeestern S456 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Constellation Co Axial Master Chronometer29mm
S456 GMT41mm
Power Reserve
Constellation Co Axial Master Chronometer50h
S456 GMT41hh
Water Resistance
Constellation Co Axial Master Chronometer50m
S456 GMT200m
MSRP
Constellation Co Axial Master Chronometer$8,500
S456 GMT$299
Full specifications
Case
9 specsCategory
Dress
GMT
Diameter
29mm
41mm
Thickness
12mm
13mm
Lug-to-Lug
31.2mm
49mm
Lug Width
—
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Steel
Brushed + Polished
Water Resistance
50m
200m
Caseback
—
Solid
Crystal & Dial
5 specsCrystal Shape
Domed
Flat
AR Coating
—
Inner
Dial Color
Silver
Sunray style, applied and Diamond cut Indices, C1 lume
Indices
—
Applied
Lume
None
C1
Movement
5 specsCaliber
Omega 8700
Seiko NH34
Beat Rate
0 vph
3 vph
Power Reserve
50h
41hh
Jewels
0
24
Complications
None
GMT
Pricing
1 specsMSRP
$8,500
$299
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