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Seestern S450 Ocean StarvsSheffield 1A

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

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S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
1A
Sheffield1A
MSRP $223
Buy from Seestern ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
S450 Ocean Star40mm
1A40mm
Power Reserve
S450 Ocean Star41h
1A—
Water Resistance
S450 Ocean Star100m
1A200m
MSRP
S450 Ocean Star$299
1A$223

Full specifications

Case

4 specs
Thickness
12mm
12.8mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
White
White/Blue
Lume
Tritium
Swiss blue lume

Movement

5 specs
Caliber
TMI NH35A
Seiko NH35A
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
—
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$223
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