Side by side
Borealis Watch Co. JamantavsGrand Seiko SBGX355
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Jamanta42.50mm
SBGX35537mm
Power Reserve
Jamanta40h
SBGX35540h
Water Resistance
Jamanta300m
SBGX355100m
MSRP
Jamanta$415
SBGX355$4,100
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
42.50mm
37mm
Thickness
13.30mm
10.6mm
Lug-to-Lug
50.40mm
44.6mm
Lug Width
22mm
19mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9015
9F62
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$4,100
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