Side by side

Core Timepieces The River WatchvsNaga Watches Opera

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

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The River Watch
Core TimepiecesThe River Watch
MSRP $540
See the full The River Watch
Opera
Naga WatchesOpera
MSRP $917
See the full Opera
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At a glance

8 of 29 specs differ
Diameter
The River Watch42mm
Opera39mm
Power Reserve
The River Watch—
Opera—
Water Resistance
The River Watch300m
Opera100m
MSRP
The River Watch$540
Opera$917

Full specifications

Case

5 specs
Diameter
42mm
39mm
Thickness
—
10mm
Lug Width
22mm
—
Material
Titanium
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
—
Lapislazuli

Movement

1 specs
Caliber
Seiko NH34
Miyota 9039

Pricing

1 specs
MSRP
$540
$917
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