Side by side
Aera Instruments M-1vsDuckworth Prestex Bolton Automatic
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
Bolton Automatic39mm
Power Reserve
M-142h
Bolton Automatic40h
Water Resistance
M-1100m
Bolton Automatic200m
MSRP
M-1—
Bolton Automatic$776
Full specifications
Case
3 specsThickness
13.14mm
11mm
Lug-to-Lug
47.6mm
46.5mm
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Dune
—
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW216-1
Miyota 82S5
Type
Manual
Automatic
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
—
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