Side by side

Borealis Watch Co. Sea Storm MK2vsSeiko 5 Sports Field series

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
5 Sports Field series
Seiko5 Sports Field series
MSRP $450

At a glance

13 of 29 specs differ
Diameter
Sea Storm MK241.50mm
5 Sports Field series39.4mm
Power Reserve
Sea Storm MK240h
5 Sports Field series41h
Water Resistance
Sea Storm MK2300m
5 Sports Field series100m
MSRP
Sea Storm MK2$475
5 Sports Field series$450

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41.50mm
39.4mm
Thickness
14.15mm
13.6mm
Lug-to-Lug
48.50mm
47.9mm
Lug Width
20mm
20mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
NH38
4R34
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$475
$450

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