Borealis Watch Co. Sea Storm MK2vsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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Sea Storm MK2
Borealis Watch Co.Sea Storm MK2

MSRP $475

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Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
SeikoProspex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

MSRP $1,750

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Borealis Watch Co. Sea Storm MK2 at true scale

Sea Storm MK2

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition at true scale

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

Diameter

41.5mm

42mm

Lug-to-Lug

48.5mm

lowest

48.6mm

Thickness

14.2mm

13.3mm

lowest

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$475

lowest

$1,750

Movement

Seiko NH38

Seiko 6R54

Case

3 specs
Diameter
41.5mm
42mm
Thickness
14.15mm
13.3mm
Lug-to-Lug
48.5mm
48.6mm

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH38
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$475
$1,750
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