Side by side

Borealis Watch Co. Sea Storm MK2vsRZE Fortitude GMT

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
Fortitude GMT
RZEFortitude GMT
MSRP $719

At a glance

13 of 29 specs differ
Diameter
Sea Storm MK241.50mm
Fortitude GMT41mm
Power Reserve
Sea Storm MK240h
Fortitude GMT40h
Water Resistance
Sea Storm MK2300m
Fortitude GMT200m
MSRP
Sea Storm MK2$475
Fortitude GMT$719

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41.50mm
41mm
Thickness
14.15mm
12mm
Lug-to-Lug
48.50mm
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Black
Red
Lume
BGW9
Super-LumiNova BGW9

Movement

2 specs
Caliber
NH38
Miyota 9075
Complications
None
GMT

Pricing

1 specs
MSRP
$475
$719

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