Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsNOMOS Glashütte Tetra 27

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

Sea Storm MK2 GMT
Borealis Watch Co.Sea Storm MK2 GMT
MSRP $415
Tetra 27
NOMOS GlashütteTetra 27
MSRP $2,400

At a glance

19 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Tetra 2727.5mm
Power Reserve
Sea Storm MK2 GMT40h
Tetra 2743 hoursh
Water Resistance
Sea Storm MK2 GMT300m
Tetra 2750m
MSRP
Sea Storm MK2 GMT$415
Tetra 27$2,400

Full specifications

Case

8 specs
Category
Diver
Dress
Diameter
41.50mm
27.5mm
Thickness
14.15mm
6.1mm
Lug-to-Lug
48.50mm
38.5mm
Lug Width
20mm
18mm
Finish
Brushed and polished
—
Water Resistance
300m
50m
Caseback
Solid
—

Crystal & Dial

5 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Silver
Indices
Applied
—
Lume
BGW9
None

Movement

5 specs
Caliber
NH34
Alpha | manual
Type
Automatic
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
43 hoursh
Jewels
25
17

Pricing

1 specs
MSRP
$415
$2,400

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