Side by side

Borealis Watch Co. JamantavsGrand Seiko SBGM245

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

Jamanta
Borealis Watch Co.Jamanta
MSRP $415
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

11 of 29 specs differ
Diameter
Jamanta42.50mm
SBGM24540.5mm
Power Reserve
Jamanta40h
SBGM24572h
Water Resistance
Jamanta300m
SBGM245200m
MSRP
Jamanta$415
SBGM245$6,100

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42.50mm
40.5mm
Thickness
13.30mm
14.4mm
Lug-to-Lug
50.40mm
48.6mm
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
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$415
$6,100

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