Side by side

Borealis Watch Co. JamantavsGrand Seiko SBGE277

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

Jamanta
Borealis Watch Co.Jamanta
MSRP $415
SBGE277
Grand SeikoSBGE277
MSRP $6,800

At a glance

12 of 29 specs differ
Diameter
Jamanta42.50mm
SBGE27744mm
Power Reserve
Jamanta40h
SBGE27772h
Water Resistance
Jamanta300m
SBGE277200m
MSRP
Jamanta$415
SBGE277$6,800

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42.50mm
44mm
Thickness
13.30mm
14.7mm
Lug-to-Lug
50.40mm
50.8mm
Lug Width
22mm
21mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9015
9R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$415
$6,800

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