Side by side
S.U.F Helsinki 180 Kelo BluevsSeestern S450 Ocean Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
180 Kelo Blue38.7mm
S450 Ocean Star40mm
Power Reserve
180 Kelo Blue42h
S450 Ocean Star41h
Water Resistance
180 Kelo Blue100m
S450 Ocean Star100m
MSRP
180 Kelo Blue$2,865
S450 Ocean Star$299
Full specifications
Case
4 specsCategory
—
Diver
Diameter
38.7mm
40mm
Thickness
9.4mm
12mm
Lug-to-Lug
46.4mm
48mm
Crystal & Dial
2 specsDial Color
Blue
White
Lume
None
Tritium
Movement
5 specsCaliber
Soprod A10
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
—
$299
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