Side by side

Borealis Watch Co. Sea Storm MK2 GMTvsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
SeikoProspex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
MSRP $1,400

At a glance

11 of 29 specs differ
Diameter
Sea Storm MK2 GMT41.50mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Power Reserve
Sea Storm MK2 GMT40h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Sea Storm MK2 GMT300m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
Sea Storm MK2 GMT$415
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400

Full specifications

Case

4 specs
Diameter
41.50mm
40mm
Thickness
14.15mm
13mm
Lug-to-Lug
48.50mm
46.4mm
Lug Width
20mm
20mm

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
NH34
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$1,400

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