Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsCitizen Promaster Skyhawk U830

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

Sea Storm MK2 GMT
Borealis Watch Co.Sea Storm MK2 GMT
MSRP $415
Promaster Skyhawk U830
CitizenPromaster Skyhawk U830
MSRP $596

At a glance

12 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Promaster Skyhawk U83043mm
Power Reserve
Sea Storm MK2 GMT40h
Promaster Skyhawk U83040h
Water Resistance
Sea Storm MK2 GMT300m
Promaster Skyhawk U830200m
MSRP
Sea Storm MK2 GMT$415
Promaster Skyhawk U830$596

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
41.50mm
43mm
Thickness
14.15mm
12mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Black
Blue
Lume
BGW9
None

Movement

2 specs
Caliber
NH34
U830
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$415
$596

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