Side by side

Aera Instruments M-1vsAlkin Watches Model Two

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

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M-1
Aera InstrumentsM-1
Model Two
Alkin WatchesModel Two
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At a glance

9 of 29 specs differ
Diameter
M-139mm
Model Two41mm
Power Reserve
M-142h
Model Two—
Water Resistance
M-1100m
Model Two300m
MSRP
M-1—
Model Two—

Full specifications

Case

4 specs
Diameter
39mm
41mm
Thickness
13.14mm
12.8mm
Lug-to-Lug
47.6mm
48mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Dune
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Miyota 9039
Type
Manual
Automatic
Power Reserve
42h
—
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