Side by side

Orologi Calamai GMT AutomaticovsSpinnaker Dumas GMT

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

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GMT Automatico
Orologi CalamaiGMT Automatico
Dumas GMT
SpinnakerDumas GMT
MSRP $399
Buy from Orologi Calamai ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
GMT Automatico39mm
Dumas GMT44mm
Power Reserve
GMT Automatico50h
Dumas GMT40h
Water Resistance
GMT Automatico50m
Dumas GMT300m
MSRP
GMT Automatico—
Dumas GMT$399

Full specifications

Case

7 specs
Category
—
GMT
Diameter
39mm
44mm
Thickness
10.5mm
15mm
Lug-to-Lug
47.5mm
48mm
Lug Width
20mm
22mm
Material
Unknown
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
Sellita SW330-2 Top
Seiko NH34A
Power Reserve
50h
40h

Pricing

1 specs
MSRP
—
$399
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