Side by side
Aera Instruments M-1vsSmiths Armstrong Siddeley
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
M-139mm
Armstrong Siddeley42mm
Power Reserve
M-142h
Armstrong Siddeley—
Water Resistance
M-1100m
Armstrong Siddeley100m
MSRP
M-1—
Armstrong Siddeley$980
Full specifications
Case
4 specsDiameter
39mm
42mm
Thickness
13.14mm
12mm
Lug-to-Lug
47.6mm
52mm
Lug Width
20mm
22mm
Crystal & Dial
2 specsDial Color
Dune
Cream
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Sellita SW216-1
Unitas 6498
Power Reserve
42h
—
Pricing
1 specsMSRP
—
$980
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