Side by side
Aera Instruments M-1vsOblvlo JM Rotor
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
M-139mm
JM Rotor42mm
Power Reserve
M-142h
JM Rotor42h
Water Resistance
M-1100m
JM Rotor50m
MSRP
M-1—
JM Rotor$299
Full specifications
Case
5 specsCategory
—
Sport
Diameter
39mm
42mm
Thickness
13.14mm
13mm
Lug-to-Lug
47.6mm
46mm
Water Resistance
100m
50m
Crystal & Dial
2 specsDial Color
Dune
Black
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW216-1
Miyota 8215
Type
Manual
Automatic
Power Reserve
42h
42h
Jewels
25
21
Pricing
1 specsMSRP
—
$299
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