Which is cheaper, the Borealis Watch Co. Sea Storm MK2 GMT or the Phoibos Leviathan?

At MSRP the Phoibos Leviathan is the cheaper of the two at $309, against $415 for the Borealis Watch Co. Sea Storm MK2 GMT — a $106 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 GMT or the Phoibos Leviathan?

The Phoibos Leviathan wears larger at 45mm versus 41.50mm for the Borealis Watch Co. Sea Storm MK2 GMT — a 3.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 GMT or the Phoibos Leviathan?

The Phoibos Leviathan is rated to 500m versus 300m for the Borealis Watch Co. Sea Storm MK2 GMT.

What movement does the Borealis Watch Co. Sea Storm MK2 GMT run compared to the Phoibos Leviathan?

Both watches run automatic movements — the Borealis Watch Co. Sea Storm MK2 GMT uses the NH34 and the Phoibos Leviathan uses the NH 35.

Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsPhoibos Leviathan

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

Phoibos Leviathan

phoibos-leviathan-py032b-500m-automatic-diver-watch-blue

MSRP $309

At a glance

10 of 29 specs differ

Diameter

Sea Storm MK2 GMT41.50mm

Leviathan45mm

Power Reserve

Sea Storm MK2 GMT40h

Leviathan40h

Water Resistance

Sea Storm MK2 GMT300m

Leviathan500m

MSRP

Sea Storm MK2 GMT$415

Leviathan$309

Full specifications

Case

5 specs

Diameter

41.50mm

45mm

Thickness

14.15mm

15.5mm

Lug-to-Lug

48.50mm

54mm

Lug Width

20mm

22mm

Water Resistance

300m

500m

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Black

Blue

Lume

BGW9

Super-LumiNova

Movement

1 specs

Caliber

NH34

NH 35

Pricing

1 specs

MSRP

$415

$309

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