Side by side
Aera Instruments M-1vsAstor + Banks Fortitude Pro
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
Fortitude Pro38.5mm
Power Reserve
M-142h
Fortitude Pro40h
Water Resistance
M-1100m
Fortitude Pro200m
MSRP
M-1—
Fortitude Pro$675
Full specifications
Case
6 specsCategory
—
Sport
Diameter
39mm
38.5mm
Thickness
13.14mm
11.9mm
Lug-to-Lug
47.6mm
45.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Dune
Magenta
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW216-1
Miyota 9015
Type
Manual
Automatic
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$675
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