Side by side
Alexander James Watches A3 OmenvsSeestern S450 Ocean Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
A3 Omen38mm
S450 Ocean Star40mm
Power Reserve
A3 Omen40h
S450 Ocean Star41h
Water Resistance
A3 Omen100m
S450 Ocean Star100m
MSRP
A3 Omen$650
S450 Ocean Star$299
Full specifications
Case
5 specsCategory
—
Diver
Diameter
38mm
40mm
Thickness
10.4mm
12mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
—
White
Lume
None
Tritium
Movement
5 specsCaliber
Miyota 9039
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$650
$299
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