Side by side
Borealis Watch Co. NeptunovsSeestern S450 Ocean Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Neptuno40.00mm
S450 Ocean Star40mm
Power Reserve
Neptuno40h
S450 Ocean Star41h
Water Resistance
Neptuno300m
S450 Ocean Star100m
MSRP
Neptuno$390
S450 Ocean Star$299
Full specifications
Case
6 specsDiameter
40.00mm
40mm
Thickness
14.10mm
12mm
Lug-to-Lug
47.20mm
48mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
2 specsDial Color
Black
White
Lume
BGW9
Tritium
Movement
5 specsCaliber
NH38
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$390
$299
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