Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Spinnaker Hull Commander?

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $520 for the Spinnaker Hull Commander — a $105 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Spinnaker Hull Commander?

The Spinnaker Hull Commander wears larger at 42mm versus 41.50mm for the Borealis Watch Co. Sea Storm MK2 GMT — a 0.5mm difference across the dial.

What movement does the Borealis Watch Co. Sea Storm MK2 GMT run compared to the Spinnaker Hull Commander?

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34 and the Spinnaker Hull Commander uses the SII NH35A.

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsSpinnaker Hull Commander

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

Spinnaker Hull Commander

hull-commander-automatic-lapidary-limited-edition-sp-5114-33

MSRP $520

At a glance

9 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Hull Commander42mm

Power Reserve

Sea Storm MK2 GMT40h

Hull Commander40h

Water Resistance

Sea Storm MK2 GMT300m

Hull Commander300m

MSRP

Sea Storm MK2 GMT$415

Hull Commander$520

Full specifications

Case

5 specs

Diameter

41.50mm

42mm

Thickness

14.15mm

13.5mm

Lug-to-Lug

48.50mm

49mm

Lug Width

20mm

22mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

2 specs

Dial Color

Black

TIGER EYE

Lume

BGW9

None

Movement

1 specs

Caliber

NH34

SII NH35A

Pricing

1 specs

MSRP

$415

$520

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