Side by side

Bremont ionBirdvsOrologi Calamai GMT Automatico

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

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ionBird
BremontionBird
MSRP $5,800
GMT Automatico
Orologi CalamaiGMT Automatico
Buy from Bremont ↗
Buy used on eBay ↗
Buy from Orologi Calamai ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
ionBird43mm
GMT Automatico39mm
Power Reserve
ionBird40h
GMT Automatico50h
Water Resistance
ionBird—
GMT Automatico50m
MSRP
ionBird$5,800
GMT Automatico—

Full specifications

Case

7 specs
Category
Pilot
—
Diameter
43mm
39mm
Thickness
—
10.5mm
Lug-to-Lug
—
47.5mm
Lug Width
—
20mm
Material
Titanium
Unknown
Water Resistance
—
50m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Black

Movement

2 specs
Caliber
—
Sellita SW330-2 Top
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$5,800
—
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