Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Bremont Altitude Chronograph?

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $6,300 for the Bremont Altitude Chronograph — a $5,885 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Bremont Altitude Chronograph?

The Bremont Altitude Chronograph 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 Bremont Altitude Chronograph?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 100m for the Bremont Altitude Chronograph.

What movement does the Borealis Watch Co. Sea Storm MK2 GMT run compared to the Bremont Altitude Chronograph?

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34 and the Bremont Altitude Chronograph uses the BE-50AE.

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsBremont Altitude Chronograph

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

Bremont Altitude Chronograph

alt42-chr-g-ss-si-l-s

MSRP $6,300

At a glance

11 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Altitude Chronograph42mm

Power Reserve

Sea Storm MK2 GMT40h

Altitude Chronograph40h

Water Resistance

Sea Storm MK2 GMT300m

Altitude Chronograph100m

MSRP

Sea Storm MK2 GMT$415

Altitude Chronograph$6,300

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Black

Silver

Lume

BGW9

None

Movement

1 specs

Caliber

NH34

BE-50AE

Pricing

1 specs

MSRP

$415

$6,300

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