Side by side

Borealis Watch Co. Caloura 300mvsGrand Seiko SLGW003

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
SLGW003
Grand SeikoSLGW003
MSRP $11,600

At a glance

13 of 29 specs differ
Diameter
Caloura 300m42mm
SLGW00338.6mm
Power Reserve
Caloura 300m40h
SLGW00380h
Water Resistance
Caloura 300m300m
SLGW00330m
MSRP
Caloura 300m$275
SLGW003$11,600

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
42mm
38.6mm
Thickness
13.9mm
9.95mm
Lug-to-Lug
44.20mm
45mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
None

Movement

3 specs
Caliber
NH35
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$275
$11,600

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