Borealis Watch Co. JamantavsSeiko 5KX

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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. Jamanta at true scale

Jamanta

Seiko 5KX at true scale

5KX

Diameter

42.5mm

42.5mm

Lug-to-Lug

50.4mm

46mm

lowest

Thickness

13.3mm

lowest

13.4mm

Water Resistance

300m

highest

100m

Power Reserve

n/a

41h

MSRP

$415

$350

lowest

Movement

Miyota 9015

Seiko 4R36

Case

3 specs
Thickness
13.3mm
13.4mm
Lug-to-Lug
50.4mm
46mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
n/a
Blue
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9015
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$415
$350
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