Side by side
Borealis Watch Co. JamantavsGrand Seiko SBGA211
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Jamanta42.50mm
SBGA21141mm
Power Reserve
Jamanta40h
SBGA21172h
Water Resistance
Jamanta300m
SBGA211100m
MSRP
Jamanta$415
SBGA211$6,900
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
42.50mm
41mm
Thickness
13.30mm
12.5mm
Lug-to-Lug
50.40mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
3 specsCaliber
Miyota 9015
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$415
$6,900
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