Side by side
Borealis Watch Co. NeptunovsTudor Black Bay GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Neptuno40.00mm
Black Bay GMT41mm
Power Reserve
Neptuno40h
Black Bay GMT70h
Water Resistance
Neptuno300m
Black Bay GMT200m
MSRP
Neptuno$390
Black Bay GMT$5,275
Full specifications
Case
8 specsCategory
Diver
GMT
Diameter
40.00mm
41mm
Thickness
14.10mm
14.6mm
Lug-to-Lug
47.20mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Indices
Applied
—
Lume
BGW9
None
Movement
7 specsCaliber
NH38
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT
Pricing
1 specsMSRP
$390
$5,275
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