Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Citizen Promaster Diver?

At MSRP the Citizen Promaster Diver is the cheaper of the two at $338, against $415 for the Borealis Watch Co. Sea Storm MK2 GMT — a $78 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Citizen Promaster Diver?

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

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the Citizen Promaster Diver?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 200m for the Citizen Promaster Diver.

What movement does the Borealis Watch Co. Sea Storm MK2 GMT run compared to the Citizen Promaster Diver?

The Borealis Watch Co. Sea Storm MK2 GMT runs a automatic caliber (NH34), while the Citizen Promaster Diver runs a solar (E168).

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsCitizen Promaster Diver

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

Citizen Promaster Diver

BN0260

MSRP $338

At a glance

10 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Promaster Diver41mm

Power Reserve

Sea Storm MK2 GMT40h

Promaster Diver40h

Water Resistance

Sea Storm MK2 GMT300m

Promaster Diver200m

MSRP

Sea Storm MK2 GMT$415

Promaster Diver$338

Full specifications

Case

5 specs

Diameter

41.50mm

41mm

Thickness

14.15mm

12mm

Lug-to-Lug

48.50mm

46mm

Lug Width

20mm

Water Resistance

300m

200m

Crystal & Dial

2 specs

Dial Color

Black

Blue

Lume

BGW9

None

Movement

2 specs

Caliber

NH34

E168

Type

Automatic

Solar

Pricing

1 specs

MSRP

$415

$338

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