Side by side

Borealis Watch Co. Caloura 300mvsBremont ionBird

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
ionBird
BremontionBird
MSRP $5,800

At a glance

11 of 29 specs differ
Diameter
Caloura 300m42mm
ionBird43mm
Power Reserve
Caloura 300m40h
ionBird40h
Water Resistance
Caloura 300m300m
ionBird—
MSRP
Caloura 300m$275
ionBird$5,800

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
42mm
43mm
Thickness
13.9mm
—
Lug-to-Lug
44.20mm
—
Lug Width
22mm
—
Material
Stainless Steel
Titanium
Water Resistance
300m
—

Crystal & Dial

2 specs
Dial Color
Black
Regular length (15cm - 19cm wrist size)
Lume
BGW9
None

Movement

1 specs
Caliber
NH35
—

Pricing

1 specs
MSRP
$275
$5,800

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