Side by side
Seestern S450 Ocean StarvsVaer D4 Outerknown Solar Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
S450 Ocean Star40mm
D4 Outerknown Solar Diver39mm
Power Reserve
S450 Ocean Star41h
D4 Outerknown Solar Diver40h
Water Resistance
S450 Ocean Star100m
D4 Outerknown Solar Diver200m
MSRP
S450 Ocean Star$299
D4 Outerknown Solar Diver$549
Full specifications
Case
4 specsDiameter
40mm
39mm
Thickness
12mm
13.18mm
Lug-to-Lug
48mm
46mm
Water Resistance
100m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
White
Blue
Lume
Tritium
None
Movement
6 specsCaliber
TMI NH35A
—
Type
Automatic
Quartz
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
$549
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