Side by side

Borealis Watch Co. Caloura 300mvsGrand Seiko SBGE277

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

Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
SBGE277
Grand SeikoSBGE277
MSRP $6,800

At a glance

12 of 29 specs differ
Diameter
Caloura 300m42mm
SBGE27744mm
Power Reserve
Caloura 300m40h
SBGE27772h
Water Resistance
Caloura 300m300m
SBGE277200m
MSRP
Caloura 300m$275
SBGE277$6,800

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
44mm
Thickness
13.9mm
14.7mm
Lug-to-Lug
44.20mm
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
NH35
9R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$275
$6,800

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