Side by side

Borealis Watch Co. JamantavsGrand Seiko SBGJ237

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

Jamanta
Borealis Watch Co.Jamanta
MSRP $415
SBGJ237
Grand SeikoSBGJ237
MSRP $7,600

At a glance

11 of 29 specs differ
Diameter
Jamanta42.50mm
SBGJ23744.2mm
Power Reserve
Jamanta40h
SBGJ23755h
Water Resistance
Jamanta300m
SBGJ237200m
MSRP
Jamanta$415
SBGJ237$7,600

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42.50mm
44.2mm
Thickness
13.30mm
14.4mm
Lug-to-Lug
50.40mm
50.6mm
Lug Width
22mm
21mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9015
9S86
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$415
$7,600

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