Side by side

S.U.F Helsinki 180NNvsSeestern S450 Ocean Star

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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180NN
S.U.F Helsinki180NN
MSRP $3,480
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Buy from S.U.F Helsinki ↗
Buy used on eBay ↗
Buy from Seestern ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
180NN38.7mm
S450 Ocean Star40mm
Power Reserve
180NN42h
S450 Ocean Star41h
Water Resistance
180NN100m
S450 Ocean Star100m
MSRP
180NN$3,480
S450 Ocean Star$299

Full specifications

Case

4 specs
Category
—
Diver
Diameter
38.7mm
40mm
Thickness
9.4mm
12mm
Lug-to-Lug
46.4mm
48mm

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
None
Tritium

Movement

5 specs
Caliber
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 specs
MSRP
—
$299
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