Side by side

Borealis Watch Co. Sea Storm MK2vsOrient Helios

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

Sea Storm MK2
Borealis Watch Co.Sea Storm MK2
MSRP $475
Helios
OrientHelios
MSRP $335

At a glance

17 of 29 specs differ
Diameter
Sea Storm MK241.50mm
Helios40.5mm
Power Reserve
Sea Storm MK240h
Helios40h
Water Resistance
Sea Storm MK2300m
Helios30m
MSRP
Sea Storm MK2$475
Helios$335

Full specifications

Case

7 specs
Category
Diver
—
Diameter
41.50mm
40.5mm
Thickness
14.15mm
12mm
Lug-to-Lug
48.50mm
47mm
Lug Width
20mm
21mm
Water Resistance
300m
30m
Caseback
Solid
Display

Crystal & Dial

6 specs
Crystal
Sapphire
Mineral
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Green
Indices
Applied
—
Lume
BGW9
None

Movement

3 specs
Caliber
NH38
FT622
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22

Pricing

1 specs
MSRP
$475
$335

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