Side by side

Borealis Watch Co. Sea Storm MK2vsSeiko Prospex Sea 1968 Heritage Diver's GMT

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
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

11 of 29 specs differ
Diameter
Sea Storm MK241.50mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Sea Storm MK240h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Sea Storm MK2300m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Sea Storm MK2$475
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

5 specs
Diameter
41.50mm
42mm
Thickness
14.15mm
12.9mm
Lug-to-Lug
48.50mm
48.6mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
NH38
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$475
$1,500

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