Side by side
Seestern S450 Ocean StarvsShiro Kara Stella Nova: Silver Sky
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
S450 Ocean Star40mm
Stella Nova: Silver Sky36mm
Power Reserve
S450 Ocean Star41h
Stella Nova: Silver Sky41h
Water Resistance
S450 Ocean Star100m
Stella Nova: Silver Sky100m
MSRP
S450 Ocean Star$299
Stella Nova: Silver Sky$398
Full specifications
Case
5 specsCategory
Diver
—
Diameter
40mm
36mm
Thickness
12mm
11.8mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
904L Stainless Steel
Crystal & Dial
2 specsDial Color
White
—
Lume
Tritium
None
Movement
4 specsCaliber
TMI NH35A
Seiko NH35
Beat Rate
21,600 vph
28,800 vph
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
$398
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