Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Hamilton Khaki Aviation Air Race Auto?

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $845 for the Hamilton Khaki Aviation Air Race Auto — a $430 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Hamilton Khaki Aviation Air Race Auto?

The Borealis Watch Co. Sea Storm MK2 GMT wears larger at 41.50mm versus 38mm for the Hamilton Khaki Aviation Air Race Auto — a 3.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the Hamilton Khaki Aviation Air Race Auto?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 50m for the Hamilton Khaki Aviation Air Race Auto.

Which has a longer power reserve, the Borealis Watch Co. Sea Storm MK2 GMT or the Hamilton Khaki Aviation Air Race Auto?

The Hamilton Khaki Aviation Air Race Auto carries a 80-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 Hamilton Khaki Aviation Air Race Auto?

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34 and the Hamilton Khaki Aviation Air Race Auto uses the H-10.

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsHamilton Khaki Aviation Air Race Auto

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

Hamilton Khaki Aviation Air Race Auto

h76235731

MSRP $845

At a glance

10 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Khaki Aviation Air Race Auto38mm

Power Reserve

Sea Storm MK2 GMT40h

Khaki Aviation Air Race Auto80h

Water Resistance

Sea Storm MK2 GMT300m

Khaki Aviation Air Race Auto50m

MSRP

Sea Storm MK2 GMT$415

Khaki Aviation Air Race Auto$845

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

BGW9

None

Movement

2 specs

Caliber

NH34

H-10

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$415

$845

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