Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsSeestern S443 Column Wheel Chronograph

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

At a glance

17 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
S443 Column Wheel Chronograph40mm
Power Reserve
Sea Storm MK2 GMT40h
S443 Column Wheel Chronograph45hh
Water Resistance
Sea Storm MK2 GMT300m
S443 Column Wheel Chronograph50m
MSRP
Sea Storm MK2 GMT$415
S443 Column Wheel Chronograph$10

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41.50mm
40mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.50mm
48.6mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

3 specs
Dial Color
Black
Pink
Indices
Applied
3D
Lume
BGW9
Super BGW9

Movement

6 specs
Caliber
NH34
Seagull ST1901
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
45hh
Jewels
25
21
Complications
None
Chronograph, Column Wheel

Pricing

1 specs
MSRP
$415
$10

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