Which is cheaper, the Borealis Watch Co. Sea Storm MK2 or the NOMOS Glashütte Tetra 27?

At MSRP the Borealis Watch Co. Sea Storm MK2 is the cheaper of the two at $475, against $2,400 for the NOMOS Glashütte Tetra 27 — a $1,925 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Sea Storm MK2 or the NOMOS Glashütte Tetra 27?

The Borealis Watch Co. Sea Storm MK2 wears larger at 41.50mm versus 27.5mm for the NOMOS Glashütte Tetra 27 — a 14mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Sea Storm MK2 or the NOMOS Glashütte Tetra 27?

The Borealis Watch Co. Sea Storm MK2 is rated to 300m versus 50m for the NOMOS Glashütte Tetra 27.

Which has a longer power reserve, the Borealis Watch Co. Sea Storm MK2 or the NOMOS Glashütte Tetra 27?

The NOMOS Glashütte Tetra 27 carries a 43 hours-hour power reserve against 40 hours on the Borealis Watch Co. Sea Storm MK2.

What movement does the Borealis Watch Co. Sea Storm MK2 run compared to the NOMOS Glashütte Tetra 27?

The Borealis Watch Co. Sea Storm MK2 runs a automatic caliber (NH38), while the NOMOS Glashütte Tetra 27 runs a manual (Alpha | manual).

Side by side

Borealis Watch Co. Sea Storm MK2vsNOMOS Glashütte Tetra 27

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Borealis Watch Co.Sea Storm MK2

borealis-sea-storm-mk2-random-rob-special-limited-edition

MSRP $475

NOMOS Glashütte Tetra 27

401

MSRP $2,400

At a glance

19 of 29 specs differ

Diameter

Sea Storm MK241.50mm

Tetra 2727.5mm

Power Reserve

Sea Storm MK240h

Tetra 2743 hoursh

Water Resistance

Sea Storm MK2300m

Tetra 2750m

MSRP

Sea Storm MK2$475

Tetra 27$2,400

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Black

Silver

Indices

Applied

—

Lume

BGW9

None

Movement

5 specs

Caliber

NH38

Alpha | manual

Type

Automatic

Manual

Beat Rate

28,800 vph

21,600 vph

Power Reserve

40h

43 hoursh

Jewels

Pricing

1 specs

MSRP

$475

$2,400

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