Side by side

Arethusa Watch Co World DivervsNaga Watches Opera

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
Opera
Naga WatchesOpera
MSRP $917
Buy from Arethusa Watch Co ↗
Buy used on eBay ↗
Buy from Naga Watches ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
World Diver40mm
Opera39mm
Power Reserve
World Diver—
Opera—
Water Resistance
World Diver200m
Opera100m
MSRP
World Diver—
Opera$917

Full specifications

Case

6 specs
Diameter
40mm
39mm
Thickness
13.5mm
10mm
Lug-to-Lug
47.5mm
—
Lug Width
20mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

1 specs
Dial Color
Carbon
Lapislazuli

Movement

1 specs
Caliber
Seiko NH35A
Miyota 9039

Pricing

1 specs
MSRP
—
—
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