Side by side

Aera Instruments M-1vsPraesidus 42mm Automatic

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

M-1
Aera InstrumentsM-1
42mm Automatic
Praesidus42mm Automatic
MSRP $680

At a glance

12 of 29 specs differ
Diameter
M-139mm
42mm Automatic38mm
Power Reserve
M-142h
42mm Automatic40h
Water Resistance
M-1100m
42mm Automatic100m
MSRP
M-1—
42mm Automatic$680

Full specifications

Case

6 specs
Category
—
Field
Diameter
39mm
38mm
Thickness
13.14mm
11mm
Lug-to-Lug
47.6mm
45mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Dune
42mm Automatic
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
—
$680

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