Side by side
Borealis Watch Co. JamantavsGrand Seiko SBGV245
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Jamanta42.50mm
SBGV24540mm
Power Reserve
Jamanta40h
SBGV24540h
Water Resistance
Jamanta300m
SBGV245200m
MSRP
Jamanta$415
SBGV245$3,000
Full specifications
Case
5 specsDiameter
42.50mm
40mm
Thickness
13.30mm
11.8mm
Lug-to-Lug
50.40mm
47.1mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
Miyota 9015
9F82
Type
Automatic
Quartz
Pricing
1 specsMSRP
$415
$3,000
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