Side by side
Aera Instruments M-1vsDryden Heartlander Automatic
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
Heartlander Automatic38mm
Power Reserve
M-142h
Heartlander Automatic40h
Water Resistance
M-1100m
Heartlander Automatic101m
MSRP
M-1—
Heartlander Automatic$600
Full specifications
Case
5 specsCategory
—
Field
Diameter
39mm
38mm
Thickness
13.14mm
11.2mm
Lug-to-Lug
47.6mm
46mm
Water Resistance
100m
101m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Dune
Goldfinch
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW216-1
Miyota 9039
Type
Manual
Automatic
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$600
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