Side by side
Aera Instruments M-1vsFormex Field Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
M-139mm
Field Automatic40mm
Power Reserve
M-142h
Field Automatic41h
Water Resistance
M-1100m
Field Automatic150m
MSRP
M-1—
Field Automatic$881
Full specifications
Case
6 specsCategory
—
Field
Diameter
39mm
40mm
Thickness
13.14mm
10.6mm
Lug-to-Lug
47.6mm
46.6mm
Material
Stainless Steel
Titanium
Water Resistance
100m
150m
Crystal & Dial
1 specsDial Color
Dune
Ash Grey
Movement
3 specsCaliber
Sellita SW216-1
Sellita SW200-1
Type
Manual
Automatic
Power Reserve
42h
41h
Pricing
1 specsMSRP
—
$881
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