Side by side
Borealis Watch Co. NeptunovsSeiko Ice Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Neptuno40.00mm
Ice Diver45mm
Power Reserve
Neptuno40h
Ice Diver70h
Water Resistance
Neptuno300m
Ice Diver200m
MSRP
Neptuno$390
Ice Diver$900
Full specifications
Case
5 specsDiameter
40.00mm
45mm
Thickness
14.10mm
12.9mm
Lug-to-Lug
47.20mm
52.6mm
Lug Width
20mm
20mm
Water Resistance
300m
200m
Crystal & Dial
1 specsLume
BGW9
LumiBrite
Movement
3 specsCaliber
NH38
6R35
Power Reserve
40h
70h
Jewels
25
24
Pricing
1 specsMSRP
$390
$900
Follow this matchup
Get a note when Borealis Watch Co. Neptuno vs Seiko Ice Diver gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.










