Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the RZE Fortitude GMT?

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $719 for the RZE Fortitude GMT — a $304 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the RZE Fortitude GMT?

The Borealis Watch Co. Sea Storm MK2 GMT wears larger at 41.50mm versus 41mm for the RZE Fortitude GMT — a 0.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the RZE Fortitude GMT?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 200m for the RZE Fortitude GMT.

What movement does the Borealis Watch Co. Sea Storm MK2 GMT run compared to the RZE Fortitude GMT?

The Borealis Watch Co. Sea Storm MK2 GMT runs a automatic caliber (NH34), while the RZE Fortitude GMT runs a automatic gmt (Miyota 9075).

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsRZE Fortitude GMT

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

Borealis Watch Co.Sea Storm MK2 GMT

borealis-sea-storm-mk2-gmt-version-aa

MSRP $415

RZE Fortitude GMT

RZE-FOR

MSRP $719

At a glance

13 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Fortitude GMT41mm

Power Reserve

Sea Storm MK2 GMT40h

Fortitude GMT40h

Water Resistance

Sea Storm MK2 GMT300m

Fortitude GMT200m

MSRP

Sea Storm MK2 GMT$415

Fortitude GMT$719

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Underside

Dial Color

Black

Red

Lume

BGW9

Super-LumiNova BGW9

Movement

2 specs

Caliber

NH34

Miyota 9075

Complications

None

GMT

Pricing

1 specs

MSRP

$415

$719

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