Side by side

Seestern S450 Ocean StarvsSerket Watch Co Reef Mariana

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
Reef Mariana
Serket Watch CoReef Mariana
MSRP $449
Buy from Seestern ↗
Buy used on eBay ↗
Buy from Serket Watch Co ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
S450 Ocean Star40mm
Reef Mariana40mm
Power Reserve
S450 Ocean Star41h
Reef Mariana—
Water Resistance
S450 Ocean Star100m
Reef Mariana200m
MSRP
S450 Ocean Star$299
Reef Mariana$449

Full specifications

Case

5 specs
Category
Diver
—
Thickness
12mm
13.2mm
Lug-to-Lug
48mm
47.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
White
Orange
Lume
Tritium
BGW9

Movement

5 specs
Caliber
TMI NH35A
Seiko NH35
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
—
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$449
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