Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsHELM Miyako

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
Miyako
HELMMiyako
MSRP $375

At a glance

13 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Miyako40mm
Power Reserve
Sea Storm MK2 GMT40h
Miyako42h
Water Resistance
Sea Storm MK2 GMT300m
Miyako200m
MSRP
Sea Storm MK2 GMT$415
Miyako$375

Full specifications

Case

5 specs
Diameter
41.50mm
40mm
Thickness
14.15mm
13.75mm
Lug-to-Lug
48.50mm
47mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-Domed
AR Coating
Inner
Yes
Dial Color
Black
Gray
Lume
BGW9
Super-LumiNova

Movement

3 specs
Caliber
NH34
—
Power Reserve
40h
42h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$375

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