Side by side
Borealis Watch Co. NeptunovsGrand Seiko SLGW004
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Neptuno40.00mm
SLGW00438.8mm
Power Reserve
Neptuno40h
SLGW00480h
Water Resistance
Neptuno300m
SLGW00430m
MSRP
Neptuno$390
SLGW004$30,000
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
40.00mm
38.8mm
Thickness
14.10mm
10.4mm
Lug-to-Lug
47.20mm
43.7mm
Lug Width
20mm
19mm
Material
Stainless Steel
Gold
Water Resistance
300m
30m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
3 specsCaliber
NH38
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h
Pricing
1 specsMSRP
$390
$30,000
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