Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Henry Archer Tidevand?

At MSRP the Borealis Watch Co. Sea Storm MK2 GMT is the cheaper of the two at $415, against $5,299 for the Henry Archer Tidevand — a $4,884 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Henry Archer Tidevand?

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

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the Henry Archer Tidevand?

The Borealis Watch Co. Sea Storm MK2 GMT is rated to 300m versus 200m for the Henry Archer Tidevand.

What movement does the Borealis Watch Co. Sea Storm MK2 GMT run compared to the Henry Archer Tidevand?

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34 and the Henry Archer Tidevand uses the Miyota 9015.

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsHenry Archer Tidevand

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

Henry Archer Tidevand

HAC-TDV-DCS-3LI

MSRP $5,299

At a glance

10 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Tidevand40mm

Power Reserve

Sea Storm MK2 GMT40h

Tidevand40h

Water Resistance

Sea Storm MK2 GMT300m

Tidevand200m

MSRP

Sea Storm MK2 GMT$415

Tidevand$5,299

Full specifications

Case

6 specs

Diameter

41.50mm

40mm

Thickness

14.15mm

10.65mm

Lug-to-Lug

48.50mm

47mm

Lug Width

20mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

200m

Crystal & Dial

2 specs

Dial Color

Black

Grey

Lume

BGW9

None

Movement

1 specs

Caliber

NH34

Miyota 9015

Pricing

1 specs

MSRP

$415

$5,299

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