Side by side

Autran & Viala OPERA 41vsNoctua Watch Corp. Sentinel

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

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OPERA 41
Autran & VialaOPERA 41
MSRP $421
Sentinel
Noctua Watch Corp.Sentinel
MSRP $429
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Buy from Noctua Watch Corp. ↗
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At a glance

9 of 29 specs differ
Diameter
OPERA 4141mm
Sentinel42mm
Power Reserve
OPERA 4140h
Sentinel—
Water Resistance
OPERA 41100m
Sentinel300m
MSRP
OPERA 41$421
Sentinel$429

Full specifications

Case

4 specs
Diameter
41mm
42mm
Thickness
12mm
15mm
Lug Width
20mm
22mm
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
—

Movement

3 specs
Caliber
—
Seiko NH35A
Type
Quartz
Automatic
Power Reserve
40h
—

Pricing

1 specs
MSRP
—
—
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