Side by side
Autran & Viala OPERA 41vsSeiko Prospex SPEEDTIMER Mechanical Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
OPERA 4141mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
OPERA 4140h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
OPERA 41100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
OPERA 41$421
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Full specifications
Case
4 specsCategory
—
Chronograph
Diameter
41mm
42mm
Thickness
12mm
14.6mm
Lug-to-Lug
46mm
49.5mm
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
—
8R48
Type
Quartz
Automatic
Power Reserve
40h
45h
Jewels
25
34
Pricing
1 specsMSRP
—
$2,500
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