Side by side
Borealis Watch Co. NeptunovsHemel HD24 Automatic
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
HD24 Automatic40mm
Power Reserve
Neptuno40h
HD24 Automatic40h
Water Resistance
Neptuno300m
HD24 Automatic200m
MSRP
Neptuno$390
HD24 Automatic$300
Full specifications
Case
6 specsDiameter
40.00mm
40mm
Thickness
14.10mm
13mm
Lug-to-Lug
47.20mm
48mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Gallant USAF Edition
Lume
BGW9
None
Movement
1 specsCaliber
NH38
Seiko NH38A
Pricing
1 specsMSRP
$390
$300
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