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

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $425 for the Spinnaker Hull Titanium Bronze — a $10 gap before any retailer discounting.

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

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

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the Spinnaker Hull Titanium Bronze?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 100m for the Spinnaker Hull Titanium Bronze.

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

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

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsSpinnaker Hull Titanium Bronze

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 Titanium Bronze

hull-titanium-bronze-automatic-lapidary-limited-edition-black-onyx-sp-5145-03

MSRP $425

At a glance

9 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Hull Titanium Bronze42mm

Power Reserve

Sea Storm MK2 GMT40h

Hull Titanium Bronze40h

Water Resistance

Sea Storm MK2 GMT300m

Hull Titanium Bronze100m

MSRP

Sea Storm MK2 GMT$415

Hull Titanium Bronze$425

Full specifications

Case

6 specs

Diameter

41.50mm

42mm

Thickness

14.15mm

15mm

Lug-to-Lug

48.50mm

50mm

Lug Width

20mm

22mm

Material

Stainless Steel

Titanium

Water Resistance

300m

100m

Crystal & Dial

1 specs

Lume

BGW9

None

Movement

1 specs

Caliber

NH34

SII NH35A

Pricing

1 specs

MSRP

$415

$425

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