Click to inspect
Borealis Watch Co. Neptuno
Ref. borealis-neptuno-red-fade-to-black-dial-no-date-nh38-automatic-movement-300m-diver-watch
DiverMicrobrand
1 Variant
Lume:BGW9
Retail MSRP
$390
Low
—
Avg
—
High
—
Static data
Case
40.00mm
Power Reserve
—
Movement
Automatic
Water Resistance
300m
01
Case Dimensions
Diameter40.00mm
Thickness—
Lug-to-Lug—
Lug Width—
02
Case Build
MaterialStainless Steel
Water Resistance300m
03
Crystal & Dial
CrystalSapphire
LumeBGW9
04
Movement
Caliber
TypeAutomatic
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05
Design Language
Dial styleGradient
BezelRotating (dive)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell
The Borealis Watch Co. Neptuno (ref. borealis-neptuno-red-fade-to-black-dial-no-date-nh38-automatic-movement-300m-diver-watch) is an automatic diver watch, with a 40.00mm stainless steel case, 14.10mm thick, powered by the NH38 movement. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $390.