Side by side

Aera Instruments M-1vsFormex Essence Fortythree

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

M-1
Aera InstrumentsM-1
Essence Fortythree
FormexEssence Fortythree
MSRP $1,850

At a glance

10 of 29 specs differ
Diameter
M-139mm
Essence Fortythree43mm
Power Reserve
M-142h
Essence Fortythree38h
Water Resistance
M-1100m
Essence Fortythree100m
MSRP
M-1—
Essence Fortythree$1,850

Full specifications

Case

5 specs
Category
—
Dress
Diameter
39mm
43mm
Thickness
13.14mm
10.6mm
Lug-to-Lug
47.6mm
49mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
Dune
Black

Movement

3 specs
Caliber
Sellita SW216-1
Sellita SW200-1
Type
Manual
Automatic
Power Reserve
42h
38h

Pricing

1 specs
MSRP
—
$1,850

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