Side by side
Borealis Watch Co. NeptunovsGrand Seiko SLGC001
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Neptuno40.00mm
SLGC00143.2mm
Power Reserve
Neptuno40h
SLGC00172h
Water Resistance
Neptuno300m
SLGC001100m
MSRP
Neptuno$390
SLGC001$14,700
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
40.00mm
43.2mm
Thickness
14.10mm
15.3mm
Lug-to-Lug
47.20mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH38
9SC5
Power Reserve
40h
72h
Pricing
1 specsMSRP
$390
$14,700
Follow this matchup
Get a note when Borealis Watch Co. Neptuno vs Grand Seiko SLGC001 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.









