Side by side

Aera Instruments M-1vsWilliam Wood Fearless

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

M-1
Aera InstrumentsM-1
Fearless
William WoodFearless
MSRP $920

At a glance

9 of 29 specs differ
Diameter
M-139mm
Fearless39mm
Power Reserve
M-142h
Fearless40h
Water Resistance
M-1100m
Fearless100m
MSRP
M-1—
Fearless$920

Full specifications

Case

3 specs
Category
—
Diver
Thickness
13.14mm
14mm
Lug-to-Lug
47.6mm
39mm

Crystal & Dial

2 specs
Dial Color
Dune
Yellow
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Seiko NH35
Type
Manual
Automatic
Power Reserve
42h
40h

Pricing

1 specs
MSRP
—
$920

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