Side by side
Borealis Watch Co. NeptunovsGrand Seiko SBGJ249
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Neptuno40.00mm
SBGJ24939.5mm
Power Reserve
Neptuno40h
SBGJ24955h
Water Resistance
Neptuno300m
SBGJ24930m
MSRP
Neptuno$390
SBGJ249$7,700
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
40.00mm
39.5mm
Thickness
14.10mm
14.1mm
Lug-to-Lug
47.20mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
300m
30m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH38
9S86
Power Reserve
40h
55h
Pricing
1 specsMSRP
$390
$7,700
Follow this matchup
Get a note when Borealis Watch Co. Neptuno vs Grand Seiko SBGJ249 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.










