Side by side

Borealis Watch Co. JamantavsGrand Seiko SLGA015

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

Jamanta
Borealis Watch Co.Jamanta
MSRP $415
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

12 of 29 specs differ
Diameter
Jamanta42.50mm
SLGA01543.8mm
Power Reserve
Jamanta40h
SLGA015120h
Water Resistance
Jamanta300m
SLGA015200m
MSRP
Jamanta$415
SLGA015$12,600

Full specifications

Case

6 specs
Diameter
42.50mm
43.8mm
Thickness
13.30mm
13.8mm
Lug-to-Lug
50.40mm
51.5mm
Lug Width
22mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9015
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$415
$12,600

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