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

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $495 for the Citizen Tsuyosa Shore — a $80 gap before any retailer discounting.

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

The Borealis Watch Co. Sea Storm MK2 GMT wears larger at 41.50mm versus 40mm for the Citizen Tsuyosa Shore — a 1.5mm difference across the dial.

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

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 100m for the Citizen Tsuyosa Shore.

Which has a longer power reserve, the Borealis Watch Co. Sea Storm MK2 GMT or the Citizen Tsuyosa Shore?

The Citizen Tsuyosa Shore carries a 42-hour power reserve against 40 hours on the Borealis Watch Co. Sea Storm MK2 GMT.

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

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34 and the Citizen Tsuyosa Shore uses the 8210.

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsCitizen Tsuyosa Shore

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 Tsuyosa Shore

NJ0230

MSRP $495

At a glance

10 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Tsuyosa Shore40mm

Power Reserve

Sea Storm MK2 GMT40h

Tsuyosa Shore42h

Water Resistance

Sea Storm MK2 GMT300m

Tsuyosa Shore100m

MSRP

Sea Storm MK2 GMT$415

Tsuyosa Shore$495

Full specifications

Case

5 specs

Diameter

41.50mm

40mm

Thickness

14.15mm

12mm

Lug-to-Lug

48.50mm

46mm

Lug Width

20mm

9mm

Water Resistance

300m

100m

Crystal & Dial

2 specs

Dial Color

Black

Navy

Lume

BGW9

None

Movement

2 specs

Caliber

NH34

8210

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$415

$495

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