Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Grand Seiko SBGV239?

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $3,100 for the Grand Seiko SBGV239 — a $2,685 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Grand Seiko SBGV239?

The Borealis Watch Co. Sea Storm MK2 GMT wears larger at 41.50mm versus 40mm for the Grand Seiko SBGV239 — a 1.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the Grand Seiko SBGV239?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 100m for the Grand Seiko SBGV239.

What movement does the Borealis Watch Co. Sea Storm MK2 GMT run compared to the Grand Seiko SBGV239?

The Borealis Watch Co. Sea Storm MK2 GMT runs a automatic caliber (NH34), while the Grand Seiko SBGV239 runs a quartz (9F82).

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsGrand Seiko SBGV239

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

Grand Seiko SBGV239

sbgv239j

MSRP $3,100

At a glance

11 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

SBGV23940mm

Power Reserve

Sea Storm MK2 GMT40h

SBGV23940h

Water Resistance

Sea Storm MK2 GMT300m

SBGV239100m

MSRP

Sea Storm MK2 GMT$415

SBGV239$3,100

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

BGW9

None

Movement

2 specs

Caliber

NH34

9F82

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$415

$3,100

Follow this matchup

Get a note when Borealis Watch Co. Sea Storm MK2 GMT vs Grand Seiko SBGV239 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring