Which is cheaper, the Aera Instruments C-1 or the Naga Watches Opera?

At MSRP the Naga Watches Opera is the cheaper of the two at $917, against $2,200 for the Aera Instruments C-1 — a $1,283 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the Naga Watches Opera?

The Aera Instruments C-1 wears larger at 42mm versus 39mm for the Naga Watches Opera — a 3mm difference across the dial.

What movement does the Aera Instruments C-1 run compared to the Naga Watches Opera?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the Naga Watches Opera uses the Miyota 9039.

Side by side

Aera Instruments C-1vsNaga Watches Opera

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

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Aera Instruments C-1

MSRP $2,200

Naga Watches Opera

naga-opera-39-lapislazuli

MSRP $917

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Buy from Naga Watches ↗

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At a glance

9 of 29 specs differ

Diameter

C-142mm

Opera39mm

Power Reserve

C-156h

Opera—

Water Resistance

C-1100m

Opera100m

MSRP

C-1$2,200

Opera$917

Full specifications

Case

4 specs

Diameter

42mm

39mm

Thickness

15.75mm

10mm

Lug-to-Lug

49.55mm

—

Lug Width

22mm

—

Crystal & Dial

1 specs

Dial Color

Cloud

Lapislazuli

Movement

3 specs

Caliber

SW510 BH B

Miyota 9039

Power Reserve

56h

—

Jewels

Pricing

1 specs

MSRP

$2,200

—

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Aera Instruments C-1vsNaga Watches Opera

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