Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsSugess Ocean Star S421

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
Ocean Star S421
SugessOcean Star S421
MSRP $449

At a glance

10 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Ocean Star S42140mm
Power Reserve
Sea Storm MK2 GMT40h
Ocean Star S42140h
Water Resistance
Sea Storm MK2 GMT300m
Ocean Star S421300m
MSRP
Sea Storm MK2 GMT$415
Ocean Star S421$449

Full specifications

Case

4 specs
Diameter
41.50mm
40mm
Thickness
14.15mm
12.7mm
Lug-to-Lug
48.50mm
46mm
Lug Width
20mm
20mm

Crystal & Dial

2 specs
Dial Color
Black
SU116610LB Black
Lume
BGW9
None

Movement

3 specs
Caliber
NH34
Seagull ST2130/Seiko NH35
Beat Rate
28,800 vph
4 vph
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$415
$449

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