Side by side

Borealis Watch Co. Sea Storm MK2vsTudor Black Bay 68

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Sea Storm MK2
Borealis Watch Co.Sea Storm MK2
MSRP $475
Black Bay 68
TudorBlack Bay 68
MSRP $5,475

At a glance

18 of 29 specs differ
Diameter
Sea Storm MK241.50mm
Black Bay 6843mm
Power Reserve
Sea Storm MK240h
Black Bay 6870h
Water Resistance
Sea Storm MK2300m
Black Bay 68200m
MSRP
Sea Storm MK2$475
Black Bay 68$5,475

Full specifications

Case

7 specs
Diameter
41.50mm
43mm
Thickness
14.15mm
13.6mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Blue
Lume
BGW9
None

Movement

6 specs
Caliber
NH38
MT5601-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$475
$5,475

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