Side by side

Borealis Watch Co. JamantavsGrand Seiko SBGP015

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Jamanta
Borealis Watch Co.Jamanta
MSRP $415
SBGP015
Grand SeikoSBGP015
MSRP $3,800

At a glance

10 of 29 specs differ
Diameter
Jamanta42.50mm
SBGP01540mm
Power Reserve
Jamanta40h
SBGP01540h
Water Resistance
Jamanta300m
SBGP015200m
MSRP
Jamanta$415
SBGP015$3,800

Full specifications

Case

5 specs
Diameter
42.50mm
40mm
Thickness
13.30mm
12.4mm
Lug-to-Lug
50.40mm
47.1mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9015
9F85
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$415
$3,800

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