Side by side
Seestern S450 Ocean StarvsStewart Dawson Royal Marines
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
Royal Marines42mm
Power Reserve
S450 Ocean Star41h
Royal Marines41h
Water Resistance
S450 Ocean Star100m
Royal Marines100m
MSRP
S450 Ocean Star$299
Royal Marines$1,451
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
42mm
Thickness
12mm
12.5mm
Lug-to-Lug
48mm
48mm
Lug Width
20mm
—
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
2 specsDial Color
White
Green
Lume
Tritium
Super-LumiNova
Movement
5 specsCaliber
TMI NH35A
Sellita SW200
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
41h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
—
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