Side by side
Borealis Watch Co. NeptunovsSeiko Prospex LX line
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
Prospex LX line44.8mm
Power Reserve
Neptuno40h
Prospex LX line72h
Water Resistance
Neptuno300m
Prospex LX line200m
MSRP
Neptuno$390
Prospex LX line$5,500
Full specifications
Case
7 specsCategory
Diver
GMT
Diameter
40.00mm
44.8mm
Thickness
14.10mm
14.7mm
Lug-to-Lug
47.20mm
50.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
Inner
Super-clear coating
Lume
BGW9
LumiBrite on hands and index(es)
Movement
4 specsCaliber
NH38
5R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Jewels
25
30
Pricing
1 specsMSRP
$390
$5,500
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