Side by side

Aera Instruments M-1vsPraesidus Neptune 44

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

M-1
Aera InstrumentsM-1
Neptune 44
PraesidusNeptune 44
MSRP $550

At a glance

14 of 29 specs differ
Diameter
M-139mm
Neptune 4444mm
Power Reserve
M-142h
Neptune 4440h
Water Resistance
M-1100m
Neptune 44200m
MSRP
M-1—
Neptune 44$550

Full specifications

Case

7 specs
Category
—
Diver
Diameter
39mm
44mm
Thickness
13.14mm
—
Lug-to-Lug
47.6mm
—
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Dune
Patina
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Miyota 9039
Type
Manual
Automatic
Power Reserve
42h
40h

Pricing

1 specs
MSRP
—
$550

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