Side by side
Borealis Watch Co. NeptunovsTudor Black Bay 58
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Neptuno40.00mm
Black Bay 5839mm
Power Reserve
Neptuno40h
Black Bay 5865h
Water Resistance
Neptuno300m
Black Bay 58200m
MSRP
Neptuno$390
Black Bay 58$5,350
Full specifications
Case
7 specsDiameter
40.00mm
39mm
Thickness
14.10mm
11.7mm
Lug-to-Lug
47.20mm
46mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Lume
BGW9
None
Movement
6 specsCaliber
NH38
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$390
$5,350
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