Side by side
Seestern S450 Ocean StarvsSerket Watch Co Reef X Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
S450 Ocean Star40mm
Reef X Diver43mm
Power Reserve
S450 Ocean Star41h
Reef X Diver40h
Water Resistance
S450 Ocean Star100m
Reef X Diver200m
MSRP
S450 Ocean Star$299
Reef X Diver$499
Full specifications
Case
7 specsCategory
Diver
—
Diameter
40mm
43mm
Thickness
12mm
12.7mm
Lug-to-Lug
48mm
50mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
White
Pink
Lume
Tritium
None
Movement
5 specsCaliber
TMI NH35A
Seiko NH35
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
$499
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