Side by side
Lucky Harvey Black Slots MachinevsNaga Watches Opera
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Black Slots Machine43mm
Opera39mm
Power Reserve
Black Slots Machine40h
Opera—
Water Resistance
Black Slots Machine30m
Opera100m
MSRP
Black Slots Machine$1,199
Opera$917
Full specifications
Case
4 specsDiameter
43mm
39mm
Thickness
11mm
10mm
Lug Width
22mm
—
Water Resistance
30m
100m
Crystal & Dial
1 specsDial Color
Black
Lapislazuli
Movement
2 specsCaliber
Lucky Harvey in-house automatic caliber
Miyota 9039
Power Reserve
40h
—
Pricing
1 specsMSRP
$1,199
—
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