Side by side
Seestern S450 Ocean StarvsZRC 1904 IRIDIUM -METAL
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
IRIDIUM -METAL41.5mm
Power Reserve
S450 Ocean Star41h
IRIDIUM -METAL56h
Water Resistance
S450 Ocean Star100m
IRIDIUM -METAL1,000m
MSRP
S450 Ocean Star$299
IRIDIUM -METAL$3,790
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
41.5mm
Thickness
12mm
—
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
1000m
Crystal & Dial
2 specsDial Color
White
Black
Lume
Tritium
None
Movement
5 specsCaliber
TMI NH35A
Sellita SW300-1
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
56h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
$3,790
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