Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Nivada Grenchen Autochron?

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $2,495 for the Nivada Grenchen Autochron — a $2,080 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Nivada Grenchen Autochron?

The Borealis Watch Co. Sea Storm MK2 GMT wears larger at 41.50mm versus 38mm for the Nivada Grenchen Autochron — a 3.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the Nivada Grenchen Autochron?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 200m for the Nivada Grenchen Autochron.

Which has a longer power reserve, the Borealis Watch Co. Sea Storm MK2 GMT or the Nivada Grenchen Autochron?

The Nivada Grenchen Autochron carries a 42-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 Nivada Grenchen Autochron?

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34 and the Nivada Grenchen Autochron uses the ETA Valjoux 7750.

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsNivada Grenchen Autochron

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

Nivada Grenchen Autochron

Autochron

MSRP $2,495

At a glance

15 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Autochron38mm

Power Reserve

Sea Storm MK2 GMT40h

Autochron42h

Water Resistance

Sea Storm MK2 GMT300m

Autochron200m

MSRP

Sea Storm MK2 GMT$415

Autochron$2,495

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Dial Color

Black

Matt Blue Small texture +Super White Lum thick Printed 7506C Super Lum. Dots +White thick Printed logo

Indices

Applied

Baton

Lume

BGW9

Super-LumiNova

Movement

3 specs

Caliber

NH34

ETA Valjoux 7750

Beat Rate

28,800 vph

28 vph

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$415

$2,495

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