Side by side

Arethusa Watch Co World DivervsOrologi Calamai GMT Automatico

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

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World Diver
Arethusa Watch CoWorld Diver
GMT Automatico
Orologi CalamaiGMT Automatico
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Buy used on eBay ↗
Buy from Orologi Calamai ↗
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At a glance

9 of 29 specs differ
Diameter
World Diver40mm
GMT Automatico39mm
Power Reserve
World Diver—
GMT Automatico50h
Water Resistance
World Diver200m
GMT Automatico50m
MSRP
World Diver—
GMT Automatico—

Full specifications

Case

6 specs
Diameter
40mm
39mm
Thickness
13.5mm
10.5mm
Lug-to-Lug
47.5mm
47.5mm
Lug Width
20mm
20mm
Material
316L Stainless Steel
Unknown
Water Resistance
200m
50m

Crystal & Dial

1 specs
Dial Color
Carbon
Black

Movement

2 specs
Caliber
Seiko NH35A
Sellita SW330-2 Top
Power Reserve
—
50h
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